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HelpTest 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 AssaySpecimen Type
Body FluidSpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| 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 Thursday
Report Available
2 to 9 daysPerforming 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 |