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Test Code G6PD Glucose-6-Phosphate Dehydrogenase (G-6-PD), Quantitative, Erythrocytes

Reporting Name

G-6-PD, QN, RBC

Useful For

Evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia

 

Rapid testing to assess glucose-6-phosphate dehydrogenase (G6PD) enzyme capacity prior to Rasburicase therapy

Testing Algorithm

The following algorithms are available in Special Instructions:

-G6PD Genotyping Algorithm for Therapeutic Drug Recommendation

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

Method Name

Kinetic Spectrophotometry (KS)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Whole Blood ACD-B


Specimen Required


Container/Tube:

Preferred: Yellow top (ACD solution B)

Acceptable: EDTA

Specimen Volume: 6 mL

Collection Instructions: Do not transfer blood to other containers.


Specimen Minimum Volume

1 mL

Specimen Stability Information

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

Reject Due To

Hemolysis

Mild OK; Gross reject

Lipemia

NA

Icterus

NA

Other

NA

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 Saturday

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

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.

Forms

If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/benign-hematology-test-request-form.pdf)