Ordering Recommendation

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Plain red, lavender (K2EDTA), or pink (K2EDTA).

Specimen Preparation

Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma into an ARUP standard transport tube. (Min: 0.4 mL)
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.

Storage/Transport Temperature

Refrigerated. Also acceptable: Room temperature or frozen.

Unacceptable Conditions

Separator tubes.

Remarks
Stability

Ambient: 1 month; Refrigerated: 1 month; Frozen: 7 months

Methodology

Qualitative High Performance Liquid Chromatography-Tandem Mass Spectrometry

Performed

Varies

Reported

5-8 days

Reference Interval

By report

Interpretive Data



Compliance Category

Performed by non-ARUP Laboratory

Note

Test is not chiral specific. Patients who have taken escitalopram (Lexapro), as opposed to racemic citalopram (Celexa), within the past 3 days, may have falsely elevated values.

Hotline History

N/A

CPT Codes

80332 (Alt code: G0480)

Components

Component Test Code* Component Chart Name LOINC
2003303 Citalopram Quantitative, Serum or Plasma 34635-3
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Celexa(R) (Citalopram, Serum or Plasma)
Citalopram Quantitative, Serum or Plasma

National Medical Services (NMS)