91179 Phenytoin, Free and Total

Specimen:

Collect:

One 10 mL Red Top

Submit:

2 mL (Min:1 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling:

Separate from cells ASAP

Rejection Criteria:

Use of separator tubes

Stability:

Ambient: 4 Day(s); Refrigerated: 4 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable

Methodology:

Immunoassay

Performed:

Sun-Sat

Reported:

2-3 Day(s)

CPT Codes:

80185 - TDM Phenytoin

80186 - TDM Phenytoin, Free

Interpretive Data:

Please see report for interpretive data.

Components:

93265 - FREE PHENYTOIN	93272 - % FREE PHENYTOIN
93273 - TOTAL PHENYTOIN