Test Overview
Test Methodology

Kinetic Spectrophotometry

Test Usage

Evaluation of nonspherocytic hemolytic anemia
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.

Reference Range *

> or =12 months of age: 5.5-12.4 U/g Hb. Reference values have not been established for patients who are less than12 months of age.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday - Saturday
Analytic Time

2 - 5 days

Soft Order Code
PK1
MiChart Code
Pyruvate Kinase, RBC
Synonyms
  • Pyruvate Kinase (PK), Erythrocytes
  • PKRBC
Laboratory
Sendout
Reference Laboratory
Mayo PK1
Section
Special Testing
Test Updated
Update Type
Replacement Test
Specimen Requirements
Collection Instructions

Collect specimen in a yellow top (ACD) solution B tube. Send 6 mL (minimum 1 mL) of intact whole blood. Refrigerate. Do not transfer blood to other containers.

Alternate Specimen
Lavender top tube (EDTA) is acceptable.
Normal Volume
6 mL ACD (solution B) whole blood
Minimum Volume
1 mL ACD (solution B) whole blood
Additional Information

Test sent to Mayo Clinic Laboratories.

Billing
CPT Code
84220
Fee Code
22509
LOINC
32552-2
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