Purpose
Therapeutic Drug Monitoring
Method(s)
High Performance Liquid Chromatography (HPLC)
Suggested CPT Code(s)
80329
New York State Approval Status

Approved

Turnaround Time

8 days

Test Includes
1 Phenylbutazone High Performance Liquid Chromatography (HPLC) mcg/mL 2 Anti-Inflammatory
2 Oxyphenbutazone Phenylbutazone Metabolite High Performance Liquid Chromatography (HPLC) mcg/mL 2 Anti-Inflammatory

Specimen Type
Serum or Plasma
Requested Volume
1 mL
Minimum Volume
0.4 mL
Special Handling
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
Polymer gel separation tube (SST or PST).

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 14 day(s)
Refrigerated: 14 day(s)
Frozen (-20 °C): 4 month(s)
1 Phenylbutazone High Performance Liquid Chromatography (HPLC) mcg/mL 2 Anti-Inflammatory
2 Oxyphenbutazone Phenylbutazone Metabolite High Performance Liquid Chromatography (HPLC) mcg/mL 2 Anti-Inflammatory

Interface Map

LOINC® Information