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MYOSITIS PANEL

Performing Laboratory

St. Louis Children's Hospital Sendout to Oklahoma Medical Research Foundation (OMRF)

Specimen Requirements

Specimen Type: Blood

Patient Preparation: None

Container/Tube 

Preferred:  Plain, Red-top Vacutainer®
Acceptable: 2 Gold/Red SST Vacutainer®
Collection Volume: 

6.0 mL (minimum 4.0 mL)

Special Instructions: 

Send a completed "OMRF requisition" with specimen.

Sample Rejection

Mislabeled or unlabeled specimens.

Logistics

Test Availability: Daily
Cut-off time: None

Days set up by performing lab: Varies
Turnaround Time: 6-8 weeks

Reference Values

Reference Interval: Interpretive report provided

Critical Value: None established

Methodology

Lab-developed test (LDT) development and performance characteristics were determined by the OMRF Myositis Testing Laboratory to perform clinical high-complexity testing. Lab-developed tests have not been cleared or approved by the FDA. Lab-developed tests are accredited by the College of American Pathologists (CAP).

Limitations

NA

Additional Information

FOR SLCH CORE LABORATORY USE ONLY

Lab Processing Instructions: Centrifuge specimen to separate. Aliquot specimen into a 5-mL screw-cap, plastic vial for transport.
Processed Volume: 3.0 mL (minimum 2.0 mL) serum

Transport Temperature: Ambient
Analyte Stability: 

 

Ambient: NA

Refrigerated: NA

Frozen: NA

Note: 

1. Send a completed "OMRF requisition" with specimen

2. Ship specimens MON-THURS ONLY. Do NOT ship for Saturday delivery. Specimens may be stored refrigerated until able to ship.

3. See "Oklahoma Medical Research Foundation" website if additional information is needed and for OMRF contact information.

Test Classification and CPT Code

83516x12

LOINC

NA

Last Reviewed

08/2025