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Lab Test Dictionary

Isoniazid Level (PKINH)

Methodology

HPLC


Synonyms

Nydrazid; Mycobacteria; INH

Specimen Type

Serum and Plasma

Performing Lab

National Jewish Health Pharmacokinetics


Epic ID

Other Reference Test

Lab Test Days

Monday-Friday

Standard TAT

Within 10 Days


Collection Information

Specimen Required

2-4 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Blood collected in a sodium heparin (green-top) tube is also acceptable.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK

Specimen Stability

Room Temp:1 Hour; Refrigerated=>1 Hour; Frozen=>1 Hour (Preferred)

Rejection Criteria

Severe hemolysis; Thawed samples for greater than 1 hour

Test Volume Required

2 mL Serum or Plasma

Minimum Test Volume

1 mL Serum or Plasma

Processing Instructions

Complete a NJH Pharmacokinetics Lab requisition and ship with specimen Monday-Thursday only, no weekends or holidays. Include drug dose amount, frequency, method, and date/time of last dose prior to draw.


CPT Codes

80299


Revised

02-05-22

Initials

SA