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Test Code FPEPA Gastric Pepsin Assay


Specimen Required


Specimen Type: Body fluid

Sources: Tracheal or bronchial secretions

Container/Tube: Standard transport tube

Specimen Volume: 1 mL

Collection Instructions:

1. Collect a minimum of 1 mL tracheal or bronchial fluid.

2. Transfer to a tightly capped plastic tube and freeze immediately.

3. Ship frozen.


Reporting Name

Pepsin A Assay

Specimen Type

Body Fluid

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Body Fluid Frozen 30 days

Reference Values

<12.5 ng/mL: Negative

12.5-100 ng/mL: Weak to moderate positive

>100 ng/mL: Strong positive

Day(s) Performed

Monday through Thursday

Report Available

4 to 9 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

83986

84157

82657

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
Z3672 Protein Not Provided
Z3671 pH Not Provided
Z3673 Pepsin A Not Provided
Z3674 Interpretation Not Provided

Reject Due To

  All specimens will be evaluated by the processing and performing laboratories for test suitability.

Test Classification

This test was developed and its performance characteristics determined by Nemours GI Lab. It has not been cleared or approved by the US Food and Drug Administration.