Methodology
LC/MS/MS
Synonyms
GC/MS (Ethambutol, Level), pharmacokinetics (Ethambutol, Level), mycobacteria (Ethambutol, Level), Myambutol (Ethambutol, Level), EMBH
Specimen Type
Serum
Performing Lab
National Jewish Health
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday
Standard TAT
10 Business Days
Collection Information
Specimen Required
1-4 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Drug dose amount, frequency, method, and date/time of last dose prior to draw is required.
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp: 24 Hours; Refrigerated: Unacceptable; Frozen: Not Established
Rejection Criteria
Thawed samples for greater than 24 hours
Test Volume Required
2 mL Serum
Minimum Test Volume
0.5 mL Serum
Processing Instructions
Separate serum or plasma from cells immediately. Complete National Jewish Health requisition form with drug dose amount, frequency, method and date/time of last does prior to draw submitted with specimen. Ship only Monday-Thursday
CPT Codes
80299
Revised
7/31/26
Initials
IM