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Test Code 9179 Glucose-6-Phosphate Dehydrogenase (G-6-PD), Quantitative, Erythrocytes

Additional Codes

Mayo Test ID
G6PD

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

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

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

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

Method Name

Kinetic Spectrophotometry (KS)

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

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)

Barnes-Jewish Hospital Additional Information:
For BJH Laboratory Use Only
Laboratory Processing Instructions:
BJH Chemistry will forward to the performing laboratory. Do not reject specimen if not received on ice.