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HelpTest ID FPEPA Gastric Pepsin Assay
Method Name
Enzymatic
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 AssaySpecimen Type
Body FluidSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Body Fluid | Frozen | 30 days |
Report Available
4 to 9 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |
Day(s) Performed
Monday through Thursday
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.CPT Code Information
83986
84157
82657
Specimen Minimum Volume
0.5 mL
Reference Values
<12.5 ng/mL: Negative
12.5-100 ng/mL: Weak to moderate positive
>100 ng/mL: Strong positive