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Test Code PGK1 Phosphoglycerate Kinase Enzyme Activity, Blood


Specimen Required


Container/Tube:

Preferred: Yellow top (ACD solution B)

Acceptable: Lavender top (EDTA) or yellow top (ACD solution A)

Specimen Volume: 6 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send whole blood specimen in original tube. Do not aliquot.


Useful For

Evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia, especially if X-linked inheritance pattern

 

Evaluation of individuals with myopathic or neurologic symptoms

Method Name

Kinetic Spectrophotometry

Reporting Name

Phosphoglycerate Kinase, B

Specimen Type

Whole Blood ACD-B

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood ACD-B Refrigerated 20 days

Reference Values

≥12 months: 142-232 U/g Hb

Reference values have not been established for patients younger than 12 months.

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
PGK1 Phosphoglycerate Kinase, B 44053-7

 

Result ID Test Result Name Result LOINC Value
PGKCL Phosphoglycerate Kinase, B 44053-7

Day(s) Performed

Tuesday, Thursday

Report Available

1 to 6 days

Forms

If not ordering electronically, complete, print, and send a Benign Hematology Test Request (T755) with the specimen.