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Test Code G6PDM Glucose-6-Phosphate Dehydrogenase (G-6-PD), Quantitative, Erythrocytes

Additional Codes

MAYO: G6PD

EPIC: LAB571

Reporting Name

G-6-PD, QN, RBC

Useful For

Evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia, episodic or chronic

 

Rapid testing to assess glucose-6-phosphate dehydrogenase (G6PD) enzyme capacity prior to Rasburicase or other therapies that may cause hemolysis or methemoglobinemia in G6PD deficient patients

 

May aid in the creation of a comprehensive patient profile and can ensure appropriate patient monitoring for developing anemia

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Whole Blood ACD-B


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: Send specimen in original tube. Do not transfer blood to other containers.


Specimen Minimum Volume

1 mL

Specimen Stability Information

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

Reference Values

≥12 months: 8.8-13.4 U/g Hb

Reference values have not been established for patients who are <12 months of age.

Day(s) and Time(s) Performed

Monday through Sunday

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

82955

LOINC Code Information

Test ID Test Order Name Order LOINC Value
G6PD G-6-PD, QN, RBC 32546-4

 

Result ID Test Result Name Result LOINC Value
G6PD_ G-6-PD, QN, RBC 32546-4

Reject Due To

Gross hemolysis Reject

Method Name

Kinetic Spectrophotometry (KS)

Testing Algorithm

The following algorithms are available in Special Instructions:

-Newborn Screen Follow-up for Glucose-6-Phosphate Dehydrogenase (G-6-PD) Deficiency

 

For more information, see Newborn Screening Act Sheet Glucose-6-Phosphate Dehydrogenase Deficiency in Special Instructions.

Forms

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