Last Modified:
8/15/2019 1:33:01 PM
Medical Necessity Documentation:
Client Notes:
Patient Preparation:
Specimen Requirements:
2.0 mL Serum from a Red Top Tube in a Plastic Vial
Collection Instructions:
Minimum Volume:
1.0 mL
Transport & Storage: Temperature/Stability:
30 days Ambient
30 days Refrigerated
30 days Frozen
Avoid using glass material for long-term storage as drug adsorbs on the glass.
Rejection Criteria:
Serum Separator Tube (SST); Gel;
Reference Range:
| Norclozapine |
25-400 mcg/L |
| Clozapine |
See Laboratory Report |
Critical Ranges:
Test Comments:
Methodology:
LC-MS-MS
Clinical Significance:
Clozapine is an antipsychotic agent. Peak clozapine concentrations are reached in 1-6 hours following oral dosage. Elimination half-life is 4-16 hours once steady state levels have been reached. Norclozapine has minimal therapeutic activity
Documentation:
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
3 to 6 days
Days Performed:
Monday, Tuesday, Thursday, Friday
Sites Performed:
Quest - Chantilly
PHL Test Code:
CLOZ
EPIC Test Code:
LAB2562
Send Out Test Code:
1769
Alternate Test Names:
Clozapine and Norclozapine; Clozaril
Included Tests:
Clozapine; Norclozapine
CPT Coding:
80159
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