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HelpTest Code PKC Pyruvate Kinase Enzyme Activity, Blood
Specimen Required
Only available as part of a profile. For more information see:
HAEV1 / Hemolytic Anemia Evaluation, Blood
EEEV1 / Red Blood Cell (RBC) Enzyme Evaluation, Blood
Useful For
Evaluation of nonspherocytic hemolytic anemia as a part of a profile
Evaluation of neonatal anemia or jaundice
Evaluation of unexplained noninfectious hepatic failure
Evaluation of unexplained iron overload
Evaluation of unusually severe hemoglobin S trait
Evaluation of unusually severe glucose-6-phosphate dehydrogenase deficiency
Investigating families with pyruvate kinase deficiency to determine inheritance pattern and for genetic counseling
Reporting Name
PK Enzyme Activity, BSpecimen Type
Whole Blood ACD-BSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood ACD-B | Refrigerated | 20 days |
Reject Due To
| Gross hemolysis | Reject |
Reference Values
Only available as part of a profile. For more information see:
HAEV1 / Hemolytic Anemia Evaluation, Blood
EEEV1 / Red Blood Cell (RBC) Enzyme Evaluation, Blood
≥12 months of age: 5.5-12.4 U/g Hb
Reference values have not been established for patients who are younger than 12 months.
Specimen Retention Time
28 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
84220
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PKC | PK Enzyme Activity, B | 32552-2 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| PKCL | PK Enzyme Activity, B | 32552-2 |
Day(s) Performed
Monday through Friday