Exclusion Screen
Gas Chromatography (GC)
Suggested CPT Code(s)
New York State Approval Status


Turnaround Time

4 days (If Positive: 11 days)

Test Includes
1 Doxylamine Unisom® Gas Chromatography (GC) ng/mL 50 Antihistamine

Test Also Known As
Reflex Tests
Test Code Test Name
5510SP Doxylamine Confirmation, Serum/Plasma
Specimen Type
Serum or Plasma
Requested Volume
5 mL
Minimum Volume
2.4 mL
Special Handling
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
Specimen Container
NMS Labs has no experimental or literature-based data regarding the choice of specific specimen collection containers for this test.

Additional Collection Instructions

Transport Temperature
Light Protection
Not Required
Rejection Criteria
Polymer gel separation tube (SST or PST).

Rejection criteria pertain to clinical specimen submissions only.

Room Temperature: Undetermined
Refrigerated: Undetermined
Frozen (-20 °C): Undetermined
1 Doxylamine Unisom® Gas Chromatography (GC) ng/mL 50 Antihistamine

Interface Map

LOINC® Information