Mucin Clot Test [657X]

Test Code

CPT Codes

Preferred Specimen
3 mL synovial fluid collected in a red-top tube (no gel)

Minimum Volume

1 mL

Fluid should be collected in a sterile vacuum bottle or other collection container and then aliquoted into red-top (unpreserved) tube. Since synovial fluid specimens are more difficult to obtain and are frequently one time only samples, the criteria for an acceptable sample should not be as rigid as those for peripheral blood. Samples with small clots should not be rejected, but the presence of clot should be noted.

Transport Temperature
Room temperature

Specimen Stability
Room temperature: 48 hours
Refrigerated: 48 hours
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
EDTA (lavender-top) tube• Sodium heparin (green-top) tube

Macroscopic Examination/Ropes Test

Setup Schedule
Set up: Mon-Fri a.m.; Report available: Same day

Reference Range
Mucin Clot Test

Clinical Significance
Test to aid in differential diagnosis of diseases of joints and joint fluid.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.