Test Code CORTAM Cortisol (A.M.), Serum or Plasma
Methodology
Enzyme Immunoassay (EIA)
Note: A.M. Cortisol must be scheduled at 8
a.m., unless otherwise specified.
Specimen Requirements
Container/Tube:
Preferred: Lithium heparin (light green-top)
Acceptable: Serum Gel
Draw blood from a fasting patient, spin down and send 1 mL (pediatric: 0.2 mL) of plasma or serum.
Notes:
1. Include time of draw on request form.
2. If multiple specimens are drawn, send separate request form for each specimen.
Specimen Stability Information
Specimen Type |
Temperature |
Time |
Plasma,lithium heparin / Serum |
RT, spun |
24 hrs |
Refrigerated, spun |
4 days |
Reference Values
Collection Time | Cortisol (ug/dL) |
6:00 - 10:00 am | 6.0-18.0 |
4:00 - 8:00 pm | 3.0-11.0 |
Reject Due To
Hemolysis |
Mild: |
ok |
Gross: |
ok |
Lipemia |
Mild: |
ok |
Gross: |
ok |
Icterus |
Mild: |
ok |
Gross: |
ok |
Day(s) Test Set Up
Monday through Sunday
CPT Coding
82533
Secondary ID
HHA1384
Performing Laboratory
Huntsville Hospital Laboratory
LOINC Coding
Test Name | LOINC Code |
---|---|
Cortisol (A.M.), Serum or Plasma |
9813-7 |