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Test ID FPEPA Gastric Pepsin A Assay

Specimen Required

Specimen Type: Tracheal or Bronch Fluid

Sources: Tracheal or Bronch Fluid

Container/Tube: Standard Transport Tube

Specimen Volume: 1 mL

Collection Instructions: 1 mL Tracheal or Bronch Fluid shipped frozen.

Method Name

Enzymatic method

Reporting Name

Pepsin A Assay

Specimen Type

Body Fluid

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Body Fluid Frozen 30 days

Reference Values


Protein Unit: mg/mL

Pepsin A Unit: ng/mL

Pepsin A Reference Range (Units):


Pepsin A Reference Range (ng/mL):

<12.5 negative

12.5-100 weak to moderate positive

>100 strong positive

Day(s) Performed

Monday through Friday

Report Available

2 to 9 days

Performing Laboratory

Nemours Children's Health-Gastroenterology

CPT Code Information

83986, 84157, 83516

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FPEPA Pepsin A Assay Not Provided


Result ID Test Result Name Result LOINC Value
Z3670 Specimen Type 31208-2
Z3671 pH Not Provided
Z3672 Protein Not Provided
Z3673 Pepsin A Not Provided
Z3674 Interpretation Not Provided