- 91164
Methotrexate
Specimen:
Collect
- One Red Top
Also Acceptable:
- One Gray Top
- One Green Top (Na Heparin)
- One Lavender (EDTA)
- One Pink Top (EDTA)
Submit
- 3 mL (Min:1 mL) Serum . Submit Frozen. Submit in a Standard Transport Tube.
Also Acceptable:
- 3 mL (Min:1 mL) Plasma . Submit Frozen. Submit in a Standard Transport Tube.
Special Handling
- Protect from Light
- Separate aliquot required for each frozen test ordered
- Separate from cells within 2 hours of collection
- Protect from light during collection, storage, and shipment.
Stability
Ambient: 4 Hour(s); Refrigerated: 2 Week(s); Frozen: 6 Month(s); Incubated: Unacceptable
Methodology
- Quantitative Immunoassay
Performed
Sun-Sat
Reported
1-2 Day(s)
CPT Codes
- 80204
Components
- 91164 - METHOTREXATE
Last Updated: October 10, 2024 @ 9:13 am
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Common Test Phrases
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Common Lab Definitions
- Serum
- Plasma
- STT
