Days Set Up
Monday - Sunday
Analytic Time

2 - 5 days

MiChart Code
G-6-PD, Erythrocytes
Soft Order Code

Test Updated:


Glucose-6-Phosphate Dehydrogenase Deficiency
G6PD, Quantitative
Glucose-6-Phosphate Dehydrogenase, Quantitative

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Test Overview

Test Methodology

Kinetic Spectrophotometry (SP)

Test Usage

Evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia.

Reference Range

8.8 - 13.4 U/g hemoglobin. Abnormal values are usually 0 - 20% of normal mean.

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

Specimen Requirements

Collection Offsite

Collect specimen in a yellow top (ACD) solution B tube preferred; Lav top (EDTA) or ACD solution A are acceptable. Send 6.0 mL of intact whole blood. Refrigerate. Do not transfer blood to other containers.

ACD Solution A
Normal Volume
6 mL ACD (solution B) whole blood preferred; Lav top (EDTA) or ACD solution A are acceptable
Minimum Volume
1 mL ACD (solution B) whole blood preferred; Lav top (EDTA) or ACD solution A are acceptable

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.