Methotrexate

Specimen Container

1 Dark Green (Sodium Heparin) or Lavender (K2 EDTA)

Specimen Collection Type

Serum or Plasma

Minimum Volume To Collect (Ml)

1 mL

Pediatric Volume To Collect (Ml)

0.5 mL

Stability

Ambient Stability: 4 hrs
Refrig Stability: 2 weeks
Frozen Stability: 6 Months

Unacceptable Conditions

Gel separator tubes

Preferred Transportation Temperature

REFRIGERATED

Performed

Sun-Sat

Reported

Same day

Lab Department

Core

Testing Location

IHC

Synonyms

Methotrexate
Methotrexate drug level
Methotrexate concentration
MTX

Test OR Panel

Test

Unit of Measurement

umol/L

CPT Codes

80204

LOINC

14836-1

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