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Clostridioides difficile (C. diff) GDH Toxin A/B with Reflex to Molecular Detection Epic Compendium  

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Actual Epic Build 12/05/2025

PROCEDURE ID 111898
PDM 1959728
ORDER DISPLAY NAME Clostridioides difficile (C. diff) GDH Toxin A/B with Reflex to Molecular Detection
PROCEDURE NAME C DIFF TOXIN/GDH W/RFLX TO PCR
PROCEDURE MASTER NUMBER LAB10697
SHORT PROCEDURE NAME C DIFF TOXIN/GDH W/RFLX TO PCR
CATEGORY CODE 4.0
CATEGORY CODE RECORD NAME LAB MICROBIOLOGY - GENERAL ORDERABLES
SYNONYMS CDIFF
C DIFF TOXIN/GDH W/RFLX TO PCR
CLOSTRIDIUM
CDIFFAB
CLINICALLY ACTIVE Yes
ORDERABLE Yes
PERFORMABLE Yes
FILTER GENOMICS
REFERENCE LINK URL https://labs.northwell.edu/epic/test/111898
ORDERING INSTRUCTIONS
This test detects two antigens produced by C. difficile: GDH and Toxin A/B. This test reflexes to confirmation by molecular detection for C. difficile toxin.





Formed stools will be rejected.
DEFAULT SPECIMEN TYPE Stool
SPECIMEN TYPE PICK LIST Stool
SPECIMEN TYPE LIST
OP SPECIMEN TYPE LIST
SPECIMEN SOURCE PICK LIST Stool
SPECIMEN SOURCE DEFAULT - MALE Stool
SPECIMEN SOURCE DEFAULT - FEMALE Stool
SPECIMEN SOURCE LIST
OP SPECIMEN SOURCE LIST
IP LAB TEST COMPONENTS FOR REPORT CDIFFTOXBPCR
GDHANT
TOXINAB
OP LAB TEST COMPONENTS FOR REPORT CDIFFTOXBPCR
GDHANT
TOXINAB
ORDER QUESTIONS ["3045300170", "3045300171", "3045300173"]
ORDER QUESTIONS RECORD NAME NH IP HOME COLLECT DATE
NH IP HOME COLLECT DAYS
NH IP HOME COLLECT MEDICALLY NECESSARY
INPATIENT ORDER QUESTIONS ["30485150252", "30485150253"]
INPATIENT ORDER QUESTIONS RECORD NAME
NH IP C DIFF RECENT POSITIVE TEST
NH IP C DIFF RECENT LAXATIVES
ORDER SPECIFIC QUESTION OVERRIDE Yes
INPATIENT QUESTION OVERRIDE
LOCATION RESTRICT LIST IP 100004
100010
100013
100012
100016
100017
100196
LOCATION RESTRICT LIST IP RECORD NAME Lenox Hill Hospital
Northern Westchester Hospital
Phelps Memorial Hospital
Peconic Bay Medical Center
Staten Island University Hospital North
Staten Island University Hospital Princes Bay
Northwell Greenwich Village Hospital
LOCATION RESTRICT LIST INCLUDE IP No
LOCATION RESTRICT LIST OP
LOCATION RESTRICT LIST OP RECORD NAME
LOCATION RESTRICT LIST INCLUDES OP
EDP AMB ORDER SPECIFIC QUESTIONS RECORD NAME
EDP IP ORDER SPECIFIC QUESTIONS RECORD NAME
EDP IP SPECIMEN SOURCE
EDP OP SPECIMEN SOURCE
EDP IP SPECIMEN TYPE
EDP OP SPECIMEN TYPE
DERIVED EDP IP BUTTONS S
DERIVED EDP IP BUTTONS T
DERIVED EDP OP BUTTONS S
DERIVED EDP OP BUTTONS T
IP ORDERABLE 0
OP ORDERABLE 1
STANDARD LAB COMPONENTS
STANDARD LAB COMPONENTS RECORD NAME
COMPONENT DATA REQUIREMENT
EPIC OP AOEs

Question IDQuestion NameQuestionResponse TypeResponse ListRequire Response
3045300170 NH IP HOME COLLECT DATE Start Date Date Yes
3045300171 NH IP HOME COLLECT DAYS Days Custom List Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday		 Yes
3045300173 NH IP HOME COLLECT MEDICALLY NECESSARY Medically Necessary? Yes/No Yes
EPIC IP AOEs

Question IDQuestion NameQuestionResponse TypeResponse ListRequire Response
30485150252 NH IP C DIFF RECENT POSITIVE TEST Reason for testing within 21 days of a positive result Custom List None
Urgent Exception		 Yes
30485150253 NH IP C DIFF RECENT LAXATIVES Reason for testing with a laxative given in the last 48 hrs Custom List None
Unexplained high WBC
Ileus/Colonic Distention
Urgent Exception		 Yes
EPIC Components (results - crosswalked through Cerner)

Component IDComponent NameBase NameCommon NameExternal NameCerner Result PDM
3047802559.0 GDH ANTIGEN GDHANT GDH ANTIGEN GDH Antigen, EIA 1959728A
3047805023.0 TOXIN A AND B TOXINAB TOXIN A AND B Toxin A and B, EIA 1959728B
3047800403.0 C DIFF TOX B QL PCR RFLX CDIFFTOXBPCR C DIFF TOX B QL PCR RFLX C. difficile toxin B, PCR 1959728C