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Test ID NBLD0035 HemoQuant, Feces

Reporting Name

Hemoquant, F

Useful For

Detection of blood in feces


HemoQuant is the most appropriate fecal occult blood test to use in the evaluation of iron deficiency


Other useful applications include the detection of bleeding as a complication of anticoagulant therapy and other medication regimens

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type


Specimen Required

Collection Container/Tube: Spoon-like sampler from kit (T134)

Submission Container/Tube: Screw-capped tube

Specimen Volume: 1 g

Collection Instructions: Collect random specimen from a single defecation.

Additional Information: Patient should be instructed to refrain from red meat and aspirin for 3 days prior to specimen collection.

Specimen Minimum Volume

1 g

Specimen Stability Information

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

Reference Values


≤2.0 mg total hemoglobin/g feces


2.0-3.0 mg total hemoglobin/g feces

2.0-4.0 mg total hemoglobin/g feces*


>3.0 mg total hemoglobin/g feces

>4.0 mg total hemoglobin/g feces*

*Alternative reference values for persons who have ingested red meat or aspirin during any of the 3 days preceding specimen collection.

Day(s) and Time(s) Performed

Monday through Saturday; 2 p.m.

Test Classification

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

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
HQ Hemoquant, F In Process


Result ID Test Result Name Result LOINC Value
9220 Hemoquant, F 27396-1
2410 Fecal Hemoglobin 27396-1
2413 Dietary Status 11320-9

Analytic Time

1 day

Reject Due To


Mild OK; Gross OK







Method Name

Fluorescence Quantitation