Test Overview

Test Methodology

Flow Cytometry

Test Usage

Diagnosis of chronic granulomatous disease (CGD), X-linked and autosomal recessive forms, complete myeloperoxidase (MPO) deficiency; monitoring chimerism and NADPH oxidase function posthematopoietic cell transplantation, assessing residual NADPH oxidase activity pretransplant, and identification of carrier females for X-linked CGD; assessment of changes in lyonization with age in carrier females.

Reference Range*

Interpretive report provided.

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

Test Details

Days Test Performed

Monday - Friday at 4pm. If not received by 4pm on Friday, the test will be cancelled.

Analytic Time

4 - 6 days

Soft Order Code


MiChart Code

DHR Flow PMA, Blood (Sendout)



Granulocyte Function Assay
Neutrophil Function Assay
Oxidative Burst Assay
Chronic Granulomatous Disease (CGD) Assay
Nitroblue Tetrazolium (NBT) Replacement Assay
Neutrophil Oxidative Burst

+ See More



Laboratory Reference

Mayo DHRP (62765)

Looking to Order a Test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Specimen Requirements

Offsite Collection Instructions

MLabs clients please notify the MLabs Client Services Center prior to sending specimen. Specimens are accepted Monday - Thursday only and must be received by performing laboratory within 48 hours of collection. Specimen transport should be arranged so that the specimen is received by MLabs as close to shipping time as possible. Call for a STAT courier if necessary. Collect specimen in a green top tube. Also collect a normal control specimen in a green top tube (NOT from the patient or a family member) at the same time that the patient is drawn. Send intact whole blood stored and transported at room temperature within 24 hours of collection; do not refrigerate or freeze.

Normal Volume

5 mL whole blood

Minimum Volume

1 mL whole blood

Additional Information

Test sent to Mayo Medical Laboratories.

Billing Information

Fee Codes

CPT Code

82657, 88184

Have More Billing Questions?

Explore our helpful billing resources:

Billing Resources

Billing FAQ