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HelpTest Code HK1 Hexokinase Enzyme Activity, Blood
Additional Codes
| Hospital Order Code |
| Lab2608 MISMGO |
Specimen Required
Container/Tube:
Preferred: Yellow top (ACD solution B)
Acceptable: Lavender top (EDTA)
Specimen Volume: 6 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Useful For
Evaluating individuals with Coombs-negative chronic hemolysis
Method Name
Kinetic Spectrophotometry (KS)
Reporting Name
Hexokinase, BSpecimen Type
Whole Blood ACD-BSpecimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood ACD-B | Refrigerated | 20 days |
Reject Due To
| Gross hemolysis | Reject |
| Fully clotted | Reject |
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
82657
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HK1 | Hexokinase, B | 49216-5 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| HKCL | Hexokinase, B | 49216-5 |
Day(s) Performed
Tuesday, Thursday
Report Available
1 to 6 daysForms
If not ordering electronically, complete, print, and send a Benign Hematology Test Request (T755) with the specimen.