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HelpTest ID HKC Hexokinase Enzyme Activity, Blood
Specimen Required
Only orderable as part of a profile. For more information see:
-HAEV1 / Hemolytic Anemia Evaluation, Blood
-EEEV1 / Red Blood Cell (RBC) Enzyme Evaluation, Blood
Secondary ID
608420Useful For
Evaluating individuals with Coombs-negative chronic hemolysis as a part of a profile
Specimen Type
Whole Blood ACD-BSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood ACD-B | Refrigerated | 20 days |
Reject Due To
| Gross hemolysis | Reject |
| Fully clotted | Reject |
Reference Values
Only orderable as part of a profile. For more information see:
-HAEV1 / Hemolytic Anemia Evaluation, Blood
-EEEV1 / Red Blood Cell (RBC) Enzyme Evaluation, Blood
≥12 months: 0.7-1.7 U/g Hb
Reference values have not been established for patients younger than 12 months.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
82657
Day(s) Performed
Weekly