NMOFC – “NMO/AQP4-IgG FACS, CSF” replaced by NMOCS – “NMO/AQP4 FACS, CSF”

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Inactivated/Replace Test

Effective Date

03/25/2025

Included in Report

WML Test Directory Update | March 2025

Replacement Test

NMO/AQP4 FACS, CSF

Inactivated Test Details

Mnemonic

NMOFC

Ordering Code

3805580

CPT-4 Codes(s)

86053, plus 86053 if reflexed to titer, at additional cost

Replacement Test Details

Mnemonic

NMOCS

Ordering Code

3800398

CPT-4 Codes(s)

86053, plus 86053 if reflexed to titer, at additional cost

Turnaround Time
4 - 6 days
Performed
Monday, Tuesday, Thursday
Legacy Code
NMOCS
Example report
Download

Specimen Information

Collect

Cerebrospinal fluid (CSF)

Specimen Preparation

Send 3.0 mL CSF in a screw capped plastic vial. Include relevant clinical information and physician name.

Minimum Volume

2.0 mL

Transport Temperature

Refrigerated

Stability

Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 28 days

Methodology

Fluorescence-Activated Cell Sorting Assay (FACS)
more

Reference Range

Negative
more

Performing Laboratory

MAYO
more

New York DOH Approval Status

Yes
more

Interface Map for NMOCS

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
NMO/AQP4 FACS, CSF3800398
3800399NMO/AQP4-IgG FACS, CSF46718-3No
3800401NMO/AQP4 FACS Titer, CSFNo

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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