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Test Code 091 pH Miscellaneous Fluid

Additional Codes


PowerChart: pH Body Fluid

MA Cerner: pH, Miscellaneous Fluids

Specimen Requirement

1 mL of body fluid is required.

Additional Specimen Collection Information

Collect the body fluid specimen in a sterile container. No preservative is required. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Transport the specimen to the laboratory within 1 hour of collection.

Useful For

Gastric fluid pH can help determine if acid production in the stomach is normal.


Testing is performed Monday through Sunday.

Typically completed within 4 hours after the specimen arrives at the testing site.

CPT Code Information

83986 Chemisty; pH; body fluid, not otherwise specified

LOINC Code Information

2748-2 pH Of Body Fluid

Test Method

pH Indicator Dye; pH Indicator Strips

Reference Values

Not established; results are subject to interpretation by the clinician.