Citalopram and Metabolite
| Abbrev Code: | XMISC | ||
| Order Code: | LAB4909 | Order Name: | Laboratory Miscellaneous Order |
| Synonyms: | Desmethylcitalopram; Celexa | ||
| Methodology: | Liquid chromatography with fluorescence detection | ||
| CPT Codes: | 80332 x1 | ||
| Test Includes: | Citalopram and Desmethylcitalopram | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 4 mL |
| Minimum\Peds Volume: | 1.2 mL |
| Container: | Red (no gel) Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel) |
| Collection Instructions: | Trough levels are the most reproducible. |
Processing and Shipping
| Specimen Processing: | Aliquot 2 mL, 0.5 mL minimum. Store at room temperature. |
| Shipping Instructions: | Ship at room temperature. |
| Stability: | Up to 3 days at room temperature. For longer storage, refrigerate or freeze. |
| Test Performed at or Referral Lab | Lab Sendouts (LabCorp) |
| Referral Lab number: | 808358 |
Interpretive
| Reference Range: | Citalopram: <120 ng/mL. Steady state plasma concentrations of Citalopram in patients receiving recommended daily dosages: up to 120 ng/mL. Desmethylcitalopram concentrations are typically around one-third of the Citalopram concentration. |
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