Carbamazepine (Tegretol)

Method: EMIT - Enzyme Immunoassay Technique
Reference Ranges: (individual methods listed below)
Default Method: Units: mcg/mL

Female Male Unknown

Age Range Age Range Age Range

0- 6.0-12.0 0- 6.0-12.0

Effective date: 09/14/2026
Beckman: Units: mcg/mL

Female Male Unknown

Age Range Age Range Age Range

0- 6.0-12.0 0- 6.0-12.0 0- 6.0-12.0

Effective date: 08/31/2026

Female	Male	Unknown
Age	Range	Age	Range	Age	Range
0-	6.0-12.0	0-	6.0-12.0

Female	Male	Unknown
Age	Range	Age	Range	Age	Range
0-	6.0-12.0	0-	6.0-12.0	0-	6.0-12.0

Specimen Type: Blood
Collection: HMC and UW-MT Onsite Locations:
Preferred: 4 mL blood in LIME GREEN PST tube
Also Acceptable: 4 mL blood in ORANGE RST, GOLD SST, RED TOP or GREEN TOP tube
Pediatric: 1 Full LIME GREEN MICROTAINER
Unacceptable: LAVENDER TOP

Offsite Clinic or Other Locations:
Preferred: 4 mL blood in GOLD SST tube
Also Acceptable: 4 mL blood in ORANGE RST or LIME GREEN PST, RED TOP or GREEN TOP tube
Pediatric: 1 Full LIME GREEN MICROTAINER
Unacceptable: LAVENDER TOP
Quantity: Requested: 1 mL serum/plasma
Minimum: 0.5 mL serum/plasma

Receiving Instructions: Refrigerate serum/plasma
Note: serum/plasma must be removed from SST or PST, if testing cannot be performed within 24 hours of collection. No addon testing to gel tubes over 24 hours old.
Hemolysis should be avoided.

Stability: Samples are stable 24 hours if refrigerated. Aliquoted samples received frozen are acceptable. Freeze and thaw only once

Lab Department

Chemistry, Automated Panels(CHA)

Frequency

Daily, results same day

Available STAT?

No

Performing Location(s)

CL	Renton Core Lab 206-520-4600 Clinical Lab, Room 170 1601 Lind Ave SW Renton, WA 98057
HMC	Chemistry, Automated 206-520-4600 325 9th Ave, Rm # GWH-47, Seattle, WA 98104-2420
UW-NW	Main Lab 206-668-1344 UW Medical Center – Northwest 1550 N 115th Street, A200 Seattle, WA 98133

General Information