Search our extensive Laboratory Test Directory to find test codes, ordering recommendations, specimen stability information, Test Fact Sheets, and more.
Recommendations when to order or not order the test. May include related or preferred tests.
Preferred initial screening test for G6PD deficiency. For genetic testing in individuals of African descent, refer to Glucose-6-Phosphate Dehydrogenase (G6PD) 2 Mutations (0051684); for genetic testing in individuals with other high-risk ethnic backgrounds, refer to Glucose-6-Phosphate Dehydrogenase Deficiency (G6PD) Sequencing (3004457).
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
This test is New York state approved.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
Yellow (ACD solution A). Also acceptable: Green (sodium or lithium heparin), lavender (K2EDTA or K3EDTA), or pink (K2EDTA). Enzyme most stable in acid citrate dextrose (ACD).
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Do not freeze. Transport 3 mL whole blood. (Min: 1.5 mL heparin or EDTA collection tube; Min: 0.5 mL pediatric collection tube).
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated.
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Clotted, frozen, or hemolyzed specimens.
RemarksAdditional specimen collection, transport, or test submission information.
Pediatric minimum 0.5 mL if collected and transported in a pediatric collection K2EDTA tube. ACD collection tubes should be filled to maximum collectible volume and are not recommended for pediatric specimen collection or preservation.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Expected turnaround time for a result, beginning when ARUP has received the specimen.
1-3 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Effective November 17, 2014 9.9-16.6 U/g Hb
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
Compliance Category
FDA
Note
Additional information related to the test.
Patients who have recently received transfusions have normal donor cells that may mask G-6-PD deficient erythrocytes.
Hotline History
N/A
CPT Codes
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
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