STRIATED MUSCLE AB W-RFL TITER

Test Code

LAB6484

Quest Code

42119N

CPT Codes
PROF

Includes

If Striated Muscle Antibody Screen is positive, then Striated Muscle Antibody Titer will be performed at an additional charge (CPT code(s): 86256).

Preferred Specimen

0.5 mL (0.1 mL minimum) serum

Transport container: Red-top (no gel) (preferred); SST
(red-top/plastic); SST (red-top/glass)
Transport temperature: Room temperature

No other acceptable specimens

Minimum Volume

0.1 mL

Specimen Stability

Room temperature: 4 days
Refrigerated (cold packs): 14 days
Frozen: 30 Days -70 Degrees: Indefinite

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis; grossly lipemic

Methodology
Immunofluorescent Assay (IFA)

Setup Schedule

Set up: Mon-St; Report available: 1-5 days

Report Available

1-5 days

Reference Range

Negative

Clinical Significance

Striated Muscle Antibody is more commonly detected
in patients over age 60 years with myasthenia gravis
than in younger patients. There is a strong correlation
between the presence of Striated Muscle Antibody and
thymoma in patients with myasthenia gravis.

Performing Laboratory
Quest Diagnostics Nichols SJC

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.