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receive_hl7_results.inc.php
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receive_hl7_results.inc.php
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<?php
/**
* Functions to support parsing and saving hl7 results.
*
* Copyright (C) 2013-2016 Rod Roark <[email protected]>
* Copyright (C) 2017-2020 Jerry Padgett <[email protected]>
*
* LICENSE: This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http:https://opensource.org/licenses/gpl-license.php>.
*
* @package OpenEMR
* @author Rod Roark <[email protected]>
* @author Jerry Padgett <[email protected]>
* 07-2015: Ensoftek: Edited for MU2 170.314(b)(5)(A)
*/
require_once($GLOBALS['srcdir'] . "/forms.inc.php");
require_once($GLOBALS['srcdir'] . "/pnotes.inc.php");
use OpenEMR\Common\Crypto\CryptoGen;
use OpenEMR\Common\Logging\EventAuditLogger;
use phpseclib\Net\SFTP;
$rhl7_return = array();
function parseZPS($segment)
{
$composites = $segment; //explode('|', $segment);
// Try to parse composites
foreach ($composites as $key => $composite) {
// If it is a composite ...
if (!(strpos($composite, '^') === false)) {
$composites[$key] = explode('^', $composite);
}
}
// Find out where we are
$pos = 0;
[
$__garbage, // Skip index [0], it's the type
$zps[$pos]['set_id'],
$zps[$pos]['lab_id'],
$zps[$pos]['lab_name'],
$zps[$pos]['lab_address'],
$zps[$pos]['lab_phone'],
$__garbage,
$zps[$pos]['lab_director'],
$__garbage,
$zps[$pos]['lab_clia']
] = $composites;
$labdir = $zps[0]['lab_director'][0] . " " . $zps[0]['lab_director'][1] . ", " . $zps[0]['lab_director'][2];
$address = $zps[0]['lab_address'][0] . "\n" . $zps[0]['lab_address'][2] . " " . $zps[0]['lab_address'][3] .
" " . $zps[0]['lab_address'][4];
$r = $zps[0]['lab_name'] . "\n" . $address . "\n" . $zps[0]['lab_phone'] . "\n" . $labdir . "\n";
return $r;
}
function rhl7LogMsg($msg, $fatal = true)
{
global $rhl7_return;
if ($fatal) {
$rhl7_return['mssgs'][] = '*' . $msg;
$rhl7_return['fatal'] = true;
EventAuditLogger::instance()->newEvent(
"lab-results-error",
$_SESSION['authUser'],
$_SESSION['authProvider'],
0,
$msg
);
} else {
$rhl7_return['mssgs'][] = '>' . $msg;
}
return $rhl7_return;
}
function rhl7InsertRow(&$arr, $tablename)
{
if (empty($arr)) {
return;
}
// echo "<!-- "; // debugging
// print_r($arr);
// echo " -->\n";
$query = "INSERT INTO $tablename SET";
$binds = array();
$sep = '';
foreach ($arr as $key => $value) {
$query .= "$sep `$key` = ?";
$sep = ',';
$binds[] = $value;
}
$arr = array();
return sqlInsert($query, $binds);
}
// Write all of the accumulated reports and their results.
function rhl7FlushMain(&$amain, $commentdelim = "\n")
{
foreach ($amain as $arr) {
if (!isset($amain[0]['rep']['procedure_order_id'])) {
if (!isset($arr['rep']['procedure_order_id'])) {
continue;
} elseif (isset($amain[0]['rep']['report_notes'])) {
$arr['rep']['report_notes'] .= $amain[0]['rep']['report_notes'];
unset($amain[0]);
}
}
$procedure_report_id = rhl7InsertRow($arr['rep'], 'procedure_report');
foreach ($arr['res'] as $ares) {
$ares['procedure_report_id'] = $procedure_report_id;
// obxkey was used to identify parent results but is not stored.
unset($ares['obxkey']);
// If TX result is not over 10 characters, move it from comments to result field.
if ($ares['result'] === '' && $ares['result_data_type'] == 'L') {
$i = strpos($ares['comments'], $commentdelim);
if ($i && $i <= 10) {
$ares['result'] = substr($ares['comments'], 0, $i);
$ares['comments'] = substr($ares['comments'], $i);
}
}
rhl7InsertRow($ares, 'procedure_result');
}
}
}
// Write the MDM document if appropriate.
//
function rhl7FlushMDM($patient_id, $mdm_docname, $mdm_datetime, $mdm_text, $mdm_category_id, $provider)
{
if ($patient_id) {
if (!empty($mdm_docname)) {
$mdm_docname .= '_';
}
$mdm_docname .= preg_replace('/[^0-9]/', '', $mdm_datetime);
$filename = $mdm_docname . '.txt';
$d = new Document();
$rc = $d->createDocument($patient_id, $mdm_category_id, $filename, 'text/plain', $mdm_text);
if (!$rc) {
rhl7LogMsg(xl('Document created') . ": $filename", false);
if ($provider) {
$d->postPatientNote($provider, $mdm_category_id, xl('Electronic document received'));
rhl7LogMsg(xl('Notification sent to') . ": $provider", false);
} else {
rhl7LogMsg(xl('No provider was matched'), false);
}
}
return $rc;
}
return '';
}
function rhl7Text($s, $allow_newlines = false)
{
$s = str_replace('\\S\\', '^', $s);
$s = str_replace('\\F\\', '|', $s);
$s = str_replace('\\R\\', '~', $s);
$s = str_replace('\\T\\', '&', $s);
$s = str_replace('\\X0d\\', "\r", $s);
$s = str_replace('\\E\\', '\\', $s);
if ($allow_newlines) {
$s = str_replace('\\.br\\', "\n", $s);
} else {
$s = str_replace('\\.br\\', '~', $s);
}
return $s;
}
function rhl7DateTime($s)
{
// Remove UTC offset if present.
if (preg_match('/^([0-9.]+)[+-]/', $s, $tmp)) {
$s = $tmp[1];
}
$s = preg_replace('/[^0-9]/', '', $s);
if (empty($s)) {
return '0000-00-00 00:00:00';
}
$ret = substr($s, 0, 4) . '-' . substr($s, 4, 2) . '-' . substr($s, 6, 2);
if (strlen($s) > 8) {
$ret .= ' ' . substr($s, 8, 2) . ':' . substr($s, 10, 2) . ':';
if (strlen($s) > 12) {
$ret .= substr($s, 12, 2);
} else {
$ret .= '00';
}
}
return $ret;
}
function rhl7DateTimeZone($s)
{
// UTC offset if present always begins with "+" or "-".
if (preg_match('/^[0-9.]+([+-].*)$/', $s, $tmp)) {
return trim($tmp[1]);
}
return '';
}
function rhl7Date($s)
{
return substr(rhl7DateTime($s), 0, 10);
}
function rhl7Abnormal($s)
{
if ($s == '') {
return 'no';
}
if ($s == 'N') {
return 'no';
}
if ($s == 'A') {
return 'yes';
}
if ($s == 'H') {
return 'high';
}
if ($s == 'L') {
return 'low';
}
if ($s == 'HH') {
return 'vhigh';
}
if ($s == 'LL') {
return 'vlow';
}
return rhl7Text($s);
}
function rhl7ReportStatus($s)
{
if ($s == 'F') {
return 'final';
}
if ($s == 'P') {
return 'prelim';
}
if ($s == 'C') {
return 'correct';
}
if ($s == 'X') {
return 'error';
}
return rhl7Text($s);
}
/**
* Convert a lower case file extension to a MIME type.
* The extension comes from OBX[5][0] which is itself a huge assumption that
* the HL7 2.3 standard does not help with. Don't be surprised when we have to
* adapt to conventions of various other labs.
*
* @param string $fileext The lower case extension.
* @return string MIME type.
*/
function rhl7MimeType($fileext)
{
if ($fileext == 'pdf') {
return 'application/pdf';
}
if ($fileext == 'doc') {
return 'application/msword';
}
if ($fileext == 'rtf') {
return 'application/rtf';
}
if ($fileext == 'txt') {
return 'text/plain';
}
if ($fileext == 'zip') {
return 'application/zip';
}
return 'application/octet-stream';
}
/**
* Extract encapsulated document data according to its encoding type.
*
* @param string $enctype Encoding type from OBX[5][3].
* @param string &$src Encoded data from OBX[5][4].
* @return string Decoded data, or FALSE if error.
*/
function rhl7DecodeData($enctype, &$src)
{
if ($enctype == 'Base64') {
return base64_decode($src);
}
if ($enctype == 'A') {
return rhl7Text($src);
}
if ($enctype == 'Hex') {
$data = '';
for ($i = 0; $i < strlen($src) - 1; $i += 2) {
$data .= chr(hexdec($src[$i] . $src[$i + 1]));
}
return $data;
}
return false;
}
function rhl7CWE($s, $componentdelimiter)
{
$out = '';
if ($s === '') {
return $out;
}
$arr = explode($componentdelimiter, $s);
if (!empty($arr[8])) {
$out = $arr[8];
} else {
$out = $arr[0];
if (isset($arr[1])) {
$out .= " (" . $arr[1] . ")";
}
}
return $out;
}
/**
* Parse the SPM segment and get the specimen display name and update the table.
*
* @param string $specimen Encoding type from SPM.
*/
function rhl7UpdateReportWithSpecimen(&$amain, $specimen, $d2)
{
$specimen_display = '';
// SPM4: Specimen Type: Example: 119297000^BLD^SCT^BldSpc^Blood^99USA^^^Blood Specimen
$specimen_display = rhl7CWE($specimen[4], $d2);
$tmpnotes = xl('Specimen type') . ': ' . $specimen_display;
$tmp = rhl7CWE($specimen[21], $d2);
if ($tmp) {
$tmpnotes .= '; ' . xl('Rejected') . ': ' . $tmp;
}
$tmp = rhl7CWE($specimen[24], $d2);
if ($tmp) {
$tmpnotes .= '; ' . xl('Condition') . ': ' . $tmp;
}
$alast = count($amain) - 1;
$amain[$alast]['rep']['specimen_num'] = $specimen_display;
$amain[$alast]['rep']['report_notes'] .= rhl7Text($tmpnotes) . "\n";
}
/**
* Get the Performing Lab Details from the OBX segment. Mandatory for MU2.
*
* @param string $obx23 Encoding type from OBX23.
* @param string $obx23 Encoding type from OBX24.
* @param string $obx23 Encoding type from OBX25.
* @param string $obx23 New line character.
*/
function getPerformingOrganizationDetails($obx23, $obx24, $obx25, $componentdelimiter, $commentdelim)
{
$s = null;
if (!empty($obx23) || !empty($obx24) || !empty($obx25)) {
// Organization Name
// OBX23 Example: "Century Hospital^^^^^NIST-AA-1&2.16.840.1.113883.3.72.5.30.1&ISO^XX^^^987"
$obx23_segs = explode($componentdelimiter, $obx23);
if (!empty($obx23_segs[0])) {
$s .= $obx23_segs[0] . $commentdelim;
}
// Medical Director
// OBX25 Example: "2343242^Knowsalot^Phil^J.^III^Dr.^^^NIST-AA-1&2.16.840.1.113883.3.72.5.30.1&ISO^L^^^DNSPM"
// Dr. Phil Knowsalot J. III
if (!empty($obx25)) {
$obx25_segs = explode($componentdelimiter, $obx25);
$s .= "$obx25_segs[5] $obx25_segs[2] $obx25_segs[1] $obx25_segs[3] $obx25_segs[4]" . $commentdelim;
}
// Organization Address
// OBX24 Example: "2070 Test Park^^Los Angeles^CA^90067^USA^B^^06037"
if (!empty($obx24)) {
$obx24 = str_replace('~', ' ', $obx24);
$obx24_segs = explode($componentdelimiter, $obx24);
$s .= "$obx24_segs[0]$commentdelim$obx24_segs[1]$commentdelim$obx24_segs[2], " .
"$obx24_segs[3] $obx24_segs[4]$commentdelim$obx24_segs[5]$commentdelim";
if (!empty($obx24_segs[6])) {
$s .= "$obx24_segs[6]$commentdelim";
}
if (!empty($obx24_segs[8])) {
$s .= "County/Parish Code: $obx24_segs[8]$commentdelim";
}
}
}
return $s;
}
/**
* Look for a patient matching the given data.
* Return values are:
* >0 Definite match, this is the pid.
* 0 No patient is close to a match.
* -1 It's not clear if there is a match.
*/
function match_patient($ptarr)
{
$in_ss = str_replace('-', '', $ptarr['ss']);
$in_fname = $ptarr['fname'];
$in_lname = $ptarr['lname'];
$in_dob = $ptarr['DOB'];
$in_sex = strtoupper($ptarr['sex']) == 'M' ? 'Male' : 'Female'; // AND sex IS NOT NULL AND sex = ?
$patient_id = 0;
$res = sqlStatement(
"SELECT pid FROM patient_data WHERE " .
"((ss IS NULL OR ss = '' OR '' = ?) AND " .
"fname IS NOT NULL AND fname != '' AND fname = ? AND " .
"lname IS NOT NULL AND lname != '' AND lname = ? AND " .
"DOB IS NOT NULL AND DOB = ?) OR " .
"(ss IS NOT NULL AND ss != '' AND REPLACE(ss, '-', '') = ? AND (" .
"fname IS NOT NULL AND fname != '' AND fname = ? OR " .
"lname IS NOT NULL AND lname != '' AND lname = ? OR " .
"DOB IS NOT NULL AND DOB = ?)) " .
"ORDER BY ss DESC, pid DESC LIMIT 2",
array($in_ss, $in_fname, $in_lname, $in_dob, $in_ss, $in_fname, $in_lname, $in_dob)
);
if (sqlNumRows($res) > 1) {
// Multiple matches, so ambiguous.
$patient_id = -1;
} elseif (sqlNumRows($res) == 1) {
// Got exactly one match, so use it.
$tmp = sqlFetchArray($res);
$patient_id = intval($tmp['pid']);
} else {
// No match good enough, figure out if there's enough ambiguity to ask the user.
$tmp = sqlQuery(
"SELECT pid FROM patient_data WHERE " .
"(ss IS NOT NULL AND ss != '' AND REPLACE(ss, '-', '') = ?) OR " .
"(fname IS NOT NULL AND fname != '' AND fname = ? AND " .
"lname IS NOT NULL AND lname != '' AND lname = ?) OR " .
"(DOB IS NOT NULL AND DOB = ?) " .
"LIMIT 1",
array($in_ss, $in_fname, $in_lname, $in_dob)
);
if (!empty($tmp['pid'])) {
$patient_id = -1;
}
}
return $patient_id;
}
/**
* Look for a lab matching the given XCN field from some segment.
*
* @param array $seg MSH seg identifying a provider.
* @return mixed TRUE, or FALSE if no match.
*/
function match_lab(&$hl7, $send_acct, $lab_acct = '', $lab_app = '', $lab_npi = '')
{
if (empty($hl7)) {
return false;
}
$d0 = "\r";
$d1 = substr($hl7, 3, 1); // typically |
$segs = explode($d0, $hl7);
$a = explode($d1, $segs[0]);
if ($a[0] != 'MSH') {
unset($segs);
return false;
}
unset($segs);
// CMS has deactivated NPI 1891752424, not sure who AMMON is
if ($lab_npi == '1891752424' || strtoupper($lab_npi) == 'AMMON') {
if (strtoupper(trim($a[5])) == strtoupper(trim($send_acct))) {
$srch = '|' . strtoupper(trim($send_acct)) . '-';
$hl7 = str_replace($srch, "|", $hl7);
return true;
}
return false;
}
if (
strtoupper(trim($a[5])) == strtoupper(trim($send_acct)) ||
strtoupper(trim($a[3])) == strtoupper(trim($lab_acct)) ||
strtoupper(trim($a[2])) == strtoupper(trim($lab_app))
) {
return true;
}
return false;
}
// lookup code from configuration to validate codes after order submit ie manual/batch
function lookupTestCode($labid, $procedure_code)
{
$query = "SELECT procedure_type_id, procedure_code, procedure_type, name, transport " .
"FROM procedure_type WHERE " .
"lab_id = ? AND " .
"(procedure_type LIKE 'ord' OR procedure_type LIKE 'pro') AND " .
"activity = 1 AND procedure_code = ? " .
"LIMIT 1";
$res = sqlQuery($query, array($labid, $procedure_code));
return $res;
}
// create encounter
function create_encounter($pid, $provider_id, $order_date, $lab_name)
{
global $orphanLog;
$conn = $GLOBALS['adodb']['db'];
$encounter = $conn->GenID("sequences");
addForm(
$encounter,
"Auto Generated Lab Encounter",
sqlInsert(
"INSERT INTO form_encounter SET " .
"date = ?, " .
"onset_date = '', " .
"reason = ?, " .
"sensitivity = 'normal', " .
"referral_source = '', " .
"pid = ?, " .
"encounter = ?, " .
"provider_id = ?",
array(
date('Y-m-d H:i:s', strtotime($order_date)),
"Generated encounter for " . strtoupper($lab_name) . " result",
$pid,
$encounter,
($provider_id ?? '')
)
),
"newpatient",
$pid,
0,
date('Y-m-d'),
'SYSTEM'
);
$orphanLog .= "New Encounter: $encounter created. ";
return $encounter ?: 0;
}
// send a message (pnote) to provider to inform about orders creation
function labNotice($pid, $newtext, $assigned_to = 'admin', $datetime = '', $labname = '')
{
if ($pid > 999999990) {
return;
}
$message_sender = $_SESSION['authUser'];
$message_group = 'Default';
$authorized = '0';
$activity = '1';
$title = 'Lab Results';
$message_status = 'New';
if (empty($datetime)) {
$datetime = date('Y-m-d H:i:s');
}
if (!$assigned_to) {
$assigned_to = $_SESSION['authUser'];
}
$notify = $assigned_to; //@todo get user lookup
$body = date('Y-m-d H:i') . ' (' . $labname . ' to ' . $notify . ') ' . $newtext;
return sqlInsert(
"INSERT INTO pnotes (date, body, pid, user, groupname, " .
"authorized, activity, title, assigned_to, message_status) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
array(
$datetime,
$body,
$pid,
$message_sender,
$message_group,
$authorized,
$activity,
$title,
$notify,
$message_status
)
);
}
/**
* Look for a local provider matching the given XCN field from some segment.
*
* @param array $arr array(NPI, lastname, firstname) identifying a provider.
* @return mixed Array(id, username), or FALSE if no match.
*/
function match_provider($arr)
{
if (empty($arr)) {
return false;
}
$op_lname = $op_fname = '';
$op_npi = preg_replace('/[^0-9]/', '', $arr[0]);
if (!empty($arr[1])) {
$op_lname = $arr[1];
}
if (!empty($arr[2])) {
$op_fname = $arr[2];
}
if ($op_npi || ($op_fname && $op_lname)) {
if ($op_npi) {
if ($op_fname && $op_lname) {
$where = "((npi IS NOT NULL AND npi = ?) OR ((npi IS NULL OR npi = ?) AND lname = ? AND fname = ?))";
$qarr = array($op_npi, '', $op_lname, $op_fname);
} else {
$where = "npi IS NOT NULL AND npi = ?";
$qarr = array($op_npi);
}
} else {
$where = "lname = ? AND fname = ?";
$qarr = array($op_lname, $op_fname);
}
$oprow = sqlQuery(
"SELECT id, username FROM users WHERE " .
"username IS NOT NULL AND username != '' AND $where " .
"ORDER BY active DESC, authorized DESC, username, id LIMIT 1",
$qarr
);
if (!empty($oprow)) {
return $oprow;
}
}
return false;
}
function ucname($string)
{
$string = ucwords(strtolower($string));
foreach (array('-', '\'') as $delimiter) {
if (strpos($string, $delimiter) !== false) {
$string = implode($delimiter, array_map('ucfirst', explode($delimiter, $string)));
}
}
return $string;
}
/**
* Create a patient using whatever patient_data attributes are provided.
*/
function create_skeleton_patient($patient_data)
{
global $orphanLog;
$employer_data = array();
$tmp = sqlQuery("SELECT MAX(pid)+1 AS pid FROM patient_data");
$ptid = empty($tmp['pid']) ? 1 : intval($tmp['pid']);
if (!isset($patient_data['pubpid'])) {
$patient_data['pubpid'] = $ptid;
}
updatePatientData($ptid, $patient_data, true);
updateEmployerData($ptid, $employer_data, true);
newHistoryData($ptid);
$tmp = "Pid: $ptid " . $patient_data['fname'] . ' ' . $patient_data['lname'] . ' ' . $patient_data['DOB'];
$orphanLog .= "New Patient for $tmp created. ";
return $ptid;
}
/**
* Parse and save.
*
* @param string &$hl7 The input HL7 text
* @param string &$matchreq Array of shared patient matching requests
* @param int $lab_id Lab ID
* @param char $direction B=Bidirectional, R=Results-only
* @param bool $dryrun True = do not update anything, just report errors
* @param array $matchresp Array of responses to match requests; key is relative segment number,
* value is an existing pid or 0 to specify creating a patient
* @return array Array of errors and match requests, if any
*/
function receive_hl7_results(&$hl7, &$matchreq, $lab_id = 0, $direction = 'B', $dryrun = false, $matchresp = null)
{
global $rhl7_return;
global $orphanLog;
global $lab_npi;
//$direction = 'R';
// This will hold returned error messages and related variables.
$rhl7_return = array();
$rhl7_return['mssgs'] = array();
$rhl7_return['needmatch'] = false; // indicates if this file is pending a match request
$rhl7_segnum = 0;
$obrPerformingOrganization = '';
if (substr($hl7, 0, 3) != 'MSH') {
return rhl7LogMsg(xl('Input does not begin with a MSH segment'), true);
}
// This array holds everything to be written to the database.
// We save and postpone these writes in case of errors while processing the message,
// so we can look up data from parent results when child results are encountered,
// and for other logic simplification.
// Each element of this array is another array containing the following possible keys:
// 'rep' - row of data to write to procedure_report
// 'res' - array of rows to write to procedure_result for this procedure_report
// 'fid' - unique lab-provided identifier for this report
//
$amain = array();
// End-of-line delimiter for text in procedure_result.comments and other multi-line notes.
$commentdelim = "\n";
// Ensoftek: Different labs seem to send different EOLs. Edit HL7 input to a character we know.
$hl7 = (string)str_replace(array("\r\n", "\r", "\n"), "\r", $hl7);
$today = time();
$in_message_lab_name = '';
$in_message_id = '';
$in_ssn = '';
$in_dob = '';
$in_lname = '';
$in_fname = '';
$in_orderid = 0;
$in_procedure_code = '';
$in_report_status = '';
$in_encounter = 0;
$patient_id = 0; // for results-only patient matching logic
$porow = false;
$pcrow = false;
$oprow = false;
$code_seq_array = array(); // tracks sequence numbers of order codes
$results_category_id = 0; // document category ID for lab results
// This is so we know where we are if a segment like NTE that can appear in
// different places is encountered.
$context = '';
// This will be "ORU" or "MDM".
$msgtype = '';
// Stuff collected for MDM documents.
$mdm_datetime = '';
$mdm_docname = '';
$mdm_text = '';
// Delimiters
$d0 = "\r";
$d1 = substr($hl7, 3, 1); // typically |
$d2 = substr($hl7, 4, 1); // typically ^
$d3 = substr($hl7, 5, 1); // typically ~
$d4 = substr($hl7, 6, 1); // typically \
$d5 = substr($hl7, 7, 1); // typically &
// We'll need the document category IDs for any embedded documents.
$catrow = sqlQuery(
"SELECT id FROM categories WHERE name = ?",
array($GLOBALS['lab_results_category_name'])
);
if (empty($catrow['id'])) {
return rhl7LogMsg(xl('Document category for lab results does not exist') .
': ' . $GLOBALS['lab_results_category_name'], true);
} else {
$results_category_id = $catrow['id'];
$mdm_category_id = $results_category_id;
$catrow = sqlQuery(
"SELECT id FROM categories WHERE name = ?",
array($GLOBALS['gbl_mdm_category_name'])
);
if (!empty($catrow['id'])) {
$mdm_category_id = $catrow['id'];
}
}
$segs = explode($d0, $hl7);
foreach ($segs as $seg) {
if (empty($seg)) {
continue;
}
if ($seg == chr(28)) {
continue;
}
// echo "<!-- $dryrun $seg -->\n"; // debugging
++$rhl7_segnum;
$a = explode($d1, $seg);
if ($a[0] == 'MSH') {
if (!$dryrun) {
rhl7FlushMain($amain, $commentdelim);
}
$amain = array();
if ('MDM' == $msgtype && !$dryrun) {
$rc = rhl7FlushMDM(
$patient_id,
$mdm_docname,
$mdm_datetime,
$mdm_text,
$mdm_category_id,
$oprow ? $oprow['username'] : 0
);
if ($rc) {
return rhl7LogMsg($rc);
}
$patient_id = 0;
}
$context = $a[0];
// Ensoftek: Could come is as 'ORU^R01^ORU_R01'. Handle all cases when 'ORU^R01' is seen.
if (strstr($a[8], "ORU^R01")) {
$msgtype = 'ORU';
} elseif ($a[8] == 'MDM^T02' || $a[8] == 'MDM^T04' || $a[8] == 'MDM^T08') {
$msgtype = 'MDM';
$mdm_datetime = '';
$mdm_docname = '';
$mdm_text = '';
} elseif (strstr($a[8], "ORU")) { // Labcorp does not send trigger
$msgtype = 'ORU';
} else {
return rhl7LogMsg(xl('MSH.8 message type is not supported') . ": '" . $a[8] . "'", true);
}
$in_message_id = $a[9];
$in_message_lab_name = rhl7Text($a[3]);
} elseif ($a[0] == 'PID') {
$context = $a[0];
if ('MDM' == $msgtype && !$dryrun) {
$rc = rhl7FlushMDM(
$patient_id,
$mdm_docname,
$mdm_datetime,
$mdm_text,
$mdm_category_id,
$oprow ? $oprow['username'] : 0
);
if ($rc) {
return rhl7LogMsg($rc);
}
}
$porow = false;
$pcrow = false;
$oprow = false;
$in_orderid = 0;
$in_ssn = preg_replace('/[^0-9]/', '', $a[4]);
$in_dob = rhl7Date($a[7]);
// foreign MRN
$in_pubpid = rhl7Text($a[3] ?? '');
$tmp = explode($d2, $a[11]);
$in_street = rhl7Text($tmp[0]) ?? '';
$in_street1 = rhl7Text($tmp[1] ?? '');
$in_city = rhl7Text($tmp[2] ?? '');
$in_state = rhl7Text($tmp[3] ?? '');
$in_zip = rhl7Text($tmp[4] ?? '');
$in_phone = rhl7Text($a[13]) ?? '';
switch (strtoupper($a[8])) {
case 'M':
$in_sex = 'Male';
break;
case 'F':
$in_sex = 'Female';
break;
case 'T':
$in_sex = 'Transgender';
break;
default:
$in_sex = 'Unassigned';
}
$tmp = explode($d2, $a[5]);
$in_lname = rhl7Text($tmp[0]);
$in_fname = rhl7Text($tmp[1]);
$in_mname = rhl7Text($tmp[2] ?? '');
$patient_id = 0;
// Patient matching is needed for a results-only interface or MDM message type.
if ('R' == $direction || 'MDM' == $msgtype) {
$ptarr = array(
'ss' => strtoupper($in_ssn),
'fname' => ucname($in_fname),
'lname' => ucname($in_lname),
'mname' => ucname($in_mname),
'DOB' => strtoupper($in_dob),
'sex' => $in_sex,
'street' => $in_street,
'city' => $in_city,
'state' => $in_state,
'postal_code' => $in_zip,
'phone_home' => $in_phone,
'pubpid' => $in_pubpid
);
$patient_id = match_patient($ptarr);
if ($patient_id == -1) {
// Result is indeterminate.
// Make a stringified form of $ptarr to use as a key.
$ptstring = serialize($ptarr);
// Check if the user has specified the patient.
if (isset($matchresp[$ptstring])) {
// This will be an existing pid, or 0 to specify creating a patient.
$patient_id = intval($matchresp[$ptstring]);
} else {
if ($dryrun) {
// Nope, ask the user to match.
$matchreq[$ptstring] = true;
$rhl7_return['needmatch'] = true;
} else {
// Should not happen, but it would be bad to abort now. Create the patient.
$patient_id = 0;
rhl7LogMsg(xl('Unexpected non-match, creating new patient for segment') .
' ' . $rhl7_segnum, false);
}
}
}
if ($patient_id == 0 && !$dryrun) {
// We must create the patient.
$patient_id = create_skeleton_patient($ptarr);
}
if ($patient_id == -1) {
$patient_id = 0;
}
} // end results-only/MDM logic
} elseif ('PD1' == $a[0]) {
// TBD: Save primary care provider name ($a[4]) somewhere?
} elseif ('PV1' == $a[0]) {
if ('ORU' == $msgtype) {
// Save placer encounter number if present.
if ($direction != 'R' && !empty($a[19])) {
$tmp = explode($d2, $a[19]);
$in_encounter = intval($tmp[0]);
}
} elseif ('MDM' == $msgtype) {
// For documents we want the ordering provider.
// Try Referring Provider first.
$oprow = match_provider(explode($d2, $a[8]));
// If no match, try Other Provider.
if (empty($oprow)) {
$oprow = match_provider(explode($d2, $a[52]));
}
}
} elseif ('ORC' == $a[0] && 'ORU' == $msgtype) {
$context = $a[0];
$arep = array();
$porow = false;
$pcrow = false;
if ($direction != 'R' && $a[2]) {
$in_orderid = intval($a[2]);
}