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22538 Hemoquant, Stool (HQ)

Hemoquant, Stool (HQ)
Test Code: MISC
Synonyms/Keywords
​Lab Ref Code:  9220, Blood Feces, Fecal Blood, Occult Blood Feces, Stool for Blood, Stool Hemoquant
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.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Fecal​ Screw-cap tube​ ​ 1 g​ 1 g​ ​
Collection Processing 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.

Sampling kit supplied from Mayo upon request

 

Specimen Stability Information
Specimen Type Temperature Time
Fecal​ Refrigerated (preferred)​ 7 days​
​ ​Ambient ​7 days
Rejection Criteria
Hemolysis
Mild OK; Gross OK
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​​
Monday through Saturday
 ​1 day
Fluorescence Quantitation
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
Reference Range
Normal:
< or =2.0 mg total hemoglobin/g feces
Marginal:
2.0-3.0 mg total hemoglobin/g feces
2.0-4.0 mg total hemoglobin/g feces*
Elevated:
>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.
​
Interpretation
Elevated levels are an indicator of the presence of blood in the feces, either from benign or malignant causes.
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​84126 ​ ​ ​ ​
Synonyms/Keywords
​Lab Ref Code:  9220, Blood Feces, Fecal Blood, Occult Blood Feces, Stool for Blood, Stool Hemoquant
Ordering Applications
Ordering Application Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Fecal​ Screw-cap tube​ ​ 1 g​ 1 g​ ​
Collection Processing

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.

Sampling kit supplied from Mayo upon request

 

Specimen Stability Information
Specimen Type Temperature Time
Fecal​ Refrigerated (preferred)​ 7 days​
​ ​Ambient ​7 days
Rejection Criteria
Hemolysis
Mild OK; Gross OK
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.
Reference Range Information
Reference Range
Normal:
< or =2.0 mg total hemoglobin/g feces
Marginal:
2.0-3.0 mg total hemoglobin/g feces
2.0-4.0 mg total hemoglobin/g feces*
Elevated:
>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.
​
Interpretation
Elevated levels are an indicator of the presence of blood in the feces, either from benign or malignant causes.
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​​
Monday through Saturday
 ​1 day
Fluorescence Quantitation
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​84126 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.