Sign in →

Test Code CRMWC Collapsin Response-Mediator Protein-5-IgG, Western Blot, Spinal Fluid

Test Down Notes

Effective October 23, 2025, this test is currently unavailable due to limited clinical utility for this method. It is recommended to order a phenotype-specific autoimmune/paraneoplastic evaluation. For more information as well as phenotype-specific testing options, see Autoimmune Neurology Test Ordering Guide.

Useful For

Evaluation of cases of chorea, vision loss, cranial neuropathy and myelopathy

Method Name

Western Blot

Reporting Name

CRMP-5-IgG Western Blot, CSF

Specimen Type

CSF


Ordering Guidance


It is recommended an evaluation be ordered in conjunction with this testing if not previously performed. Multiple neurological phenotype-specific autoimmune/paraneoplastic evaluations are available. For more information as well as phenotype-specific testing options, see Autoimmune Neurology Test Ordering Guide.



Shipping Instructions


Send specimen refrigerated.



Necessary Information


Provide the following information:

-Relevant clinical information

-Ordering healthcare professional name, phone number, mailing address, and e-mail address



Specimen Required


Container/Tube: Sterile vial

Specimen Volume: 3 mL


Specimen Minimum Volume

2 mL

Specimen Stability Information

Specimen Type Temperature Time
CSF Refrigerated (preferred) 28 days
  Frozen  28 days
  Ambient  72 hours

Reference Values

Negative

Day(s) Performed

Monday through Thursday

Report Available

5 to 10 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

84182

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CRMWC CRMP-5-IgG Western Blot, CSF 53707-6

 

Result ID Test Result Name Result LOINC Value
21747 CRMP-5-IgG Western Blot, CSF 53707-6