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HelpTest Code PKC Pyruvate Kinase 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
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 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 of age: 5.5-12.4 U/g Hb
Reference values have not been established for patients 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