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Test Code HQ HemoQuant, Feces


Specimen Required


Patient Preparation: Patient should refrain from ingesting red meat and aspirin-containing products (eg, Excedrin, Aspirin) for 3 days prior to specimen collection.

Collection Container/Tube: Hemoquant Specimen Collection (T134)

Submission Container/Tube: Screw-capped tube

Specimen Volume: 1 g

Collection Instructions: Collect random specimen from a single defecation.


Useful For

Detection of blood in feces

 

Evaluation of iron deficiency

 

Detection of bleeding as a complication of anticoagulant therapy and other medication regimens

 

This test is not specific for bowel cancer.

Method Name

Fluorescence Quantitation

Reporting Name

Hemoquant, F

Specimen Type

Fecal

Specimen Minimum Volume

1 g

Specimen Stability Information

Specimen Type Temperature Time Special Container
Fecal Refrigerated (preferred) 7 days
  Ambient  7 days
  Frozen 

Reject Due To

Gross hemolysis OK

Reference Values

Normal:

≤2.0 mg total hemoglobin/g feces

 

Marginal:

2.1-4.0 mg total hemoglobin/g feces*

*2.1-4.0 mg Hb/g is considered marginally elevated, but not clinically significant, if red meat, warfarin, or aspirin was ingested 72 hours prior to collection.

 

Elevated:

>4.0 mg total hemoglobin/g feces

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84126

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HQ Hemoquant, F 27396-1

 

Result ID Test Result Name Result LOINC Value
2410 Fecal Hemoglobin 27396-1

Day(s) Performed

Monday through Saturday

Report Available

1 to 2 days