Test Details
Mnemonic
CORSE
Ordering Code
3400822
CPT-4 Code(s)
82542
Specimen Information
Patient Preparation
Overnight fasting is preferred.
Collect
Red top
Specimen Preparation
Collect and send 1.0 mL serum in a screw capped plastic vial. Specify time of day specimen was collected.
Alternate Specimen
Plasma: Lavender EDTA
Minimum Volume
0.3 mL
Transport Temperature
Refrigerated
Rejection Criteria
Gross hemolysis; received at room temperature; Serum separator tube (SST)
Stability
Room temperature: 48 hours
Refrigerated: 21 days
Frozen: 1 year
Refrigerated: 21 days
Frozen: 1 year
Methodology
Chromatography/Mass Spectrometry
Reference Range
Adult Males and Females
AM 1.2 - 3.5 mcg/dL
PM 0.6 - 2.8 mcg/dL
AM
Full Term Infants, birth** 2.6 - 15.6 mcg/dL
7 days** 0.3 - 4.5 mcg/dL
2 weeks - 3 months** 0.9 - 5.4 mcg/dL
4 - 11 months 0.5 - 4.1 mcg/dL
1 year 0.5 - 4.0 mcg/dL
2 - 3 years 0.5 - 3.9 mcg/dL
4 years 0.5 4.0 mcg/dL
5 years 0.5 - 4.1 mcg/dL
6 years 0.6 - 4.3 mcg/dL
7 years 0.7 - 4.5 mcg/dL
8 years 0.8 - 4.7 mcg/dL
9 years 0.9 - 4.9 mcg/dL
10 years 0.9 - 5.1 mcg/dL
11 - 12 years 1.0 - 5.2 mcg/dL
13 - 17 years 1.0 - 5.3 mcg/dL
Pediatric lower reference values are
reflective of both AM and early PM sampling
**Pediatric data from Sippel WG et al,
Pediat Res (1980) 14:39-46.
AM 1.2 - 3.5 mcg/dL
PM 0.6 - 2.8 mcg/dL
AM
Full Term Infants, birth** 2.6 - 15.6 mcg/dL
7 days** 0.3 - 4.5 mcg/dL
2 weeks - 3 months** 0.9 - 5.4 mcg/dL
4 - 11 months 0.5 - 4.1 mcg/dL
1 year 0.5 - 4.0 mcg/dL
2 - 3 years 0.5 - 3.9 mcg/dL
4 years 0.5 4.0 mcg/dL
5 years 0.5 - 4.1 mcg/dL
6 years 0.6 - 4.3 mcg/dL
7 years 0.7 - 4.5 mcg/dL
8 years 0.8 - 4.7 mcg/dL
9 years 0.9 - 4.9 mcg/dL
10 years 0.9 - 5.1 mcg/dL
11 - 12 years 1.0 - 5.2 mcg/dL
13 - 17 years 1.0 - 5.3 mcg/dL
Pediatric lower reference values are
reflective of both AM and early PM sampling
**Pediatric data from Sippel WG et al,
Pediat Res (1980) 14:39-46.
Performing Laboratory
Quest
New York DOH Approval Status
No