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Test Code HPFH Hemoglobin F Distribution, Blood

Reporting Name

Hb F Distribution, B

Useful For

Distinguishing large deletional hereditary persistence of fetal hemoglobin from other conditions with increased percentage of fetal hemoglobin (Hb F)

 

Determining the distribution of Hb F within red blood cells

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Whole Blood EDTA


Advisory Information


This test is for hereditary persistence of fetal hemoglobin only. For testing for possible fetal-maternal bleed, see FMB / Fetomaternal Bleed, Flow Cytometry, Blood.



Necessary Information


 



Specimen Required


Only orderable as a reflex. For more information see:

-HAEV1 / Hemolytic Anemia Evaluation, Blood

-HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood

-MEV1 / Methemoglobinemia Evaluation, Blood

-REVE1 / Erythrocytosis Evaluation, Blood

-THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood


Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood EDTA Refrigerated 14 days

Reference Values

Only orderable as a reflex. For more information see:

-HAEV1 / Hemolytic Anemia Evaluation, Blood

-HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood

-MEV1 / Methemoglobinemia Evaluation, Blood

-REVE1 / Erythrocytosis Evaluation, Blood

-THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood

 

Reported as heterocellular or homocellular

Day(s) and Time(s) Performed

Monday through Saturday; Continuously (Reported Monday through Friday)

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were 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

88184

LOINC Code Information

Test ID Test Order Name Order LOINC Value
HPFH Hb F Distribution, B 4579-9

 

Result ID Test Result Name Result LOINC Value
8270 Hb F Distribution, B 4579-9
2104 Interpretation 59466-3

Reject Due To

Gross hemolysis Reject
Gross lipemia OK

Method Name

Only orderable as a reflex. For more information see:

-HAEV1 / Hemolytic Anemia Evaluation, Blood

-HBEL1 / Hemoglobin Electrophoresis Evaluation, Blood

-MEV1 / Methemoglobinemia Evaluation, Blood

-REVE1 / Erythrocytosis Evaluation, Blood

-THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood

 

Flow Cytometry