Cortisol, A.M.
Test Code
4212
82533
Clinical Significance
Cortisol, A.M. - Cortisol is increased in Cushing's Disease and decreased in Addison's Disease (adrenal insufficiency).
Test Resources
Test FAQ
HypogonadismTest Details
Methodology
Immunoassay (IA)
Reference Range(s)
| 0-3 Days (infants) | |
| Premature (31-35 Weeks) | ≤15.0 mcg/dL |
| Term | ≤14.0 mcg/dL |
| 4 Days-1 Month | Not established |
| 2-11 Months 8 a.m. (7-9 a.m.) specimen | 3.0-23.0 mcg/dL |
| 1-17 Years 8 a.m. (7-9 a.m.) specimen | 3.0-25.0 mcg/dL |
| >17 Years 8 a.m. (7-9 a.m.) specimen | 4.0-22.0 mcg/dL |
Alternative Name(s)
Cortisol AM,AM Cortisol,Hydrocortisone, A.M.
Preferred Specimen(s)
1 mL serum
Minimum Volume
0.5 mL
Collection Instructions
Collect specimen between 7-9 a.m. Indicate the collection time on the specimen container and test requisition.
Note: Assay is not recommended when patient is receiving prednisone/prednisolone therapy due to cross reactivity with the antibody used in this assay
Transport Container
Serum separator tube (SST)
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
- Refrigerated: 7 days
- Frozen: 28 days
Setup Schedule
1 mL serum
0.5 mL
Collect specimen between 7-9 a.m. Indicate the collection time on the specimen container and test requisition.
Note: Assay is not recommended when patient is receiving prednisone/prednisolone therapy due to cross reactivity with the antibody used in this assay
Note: Assay is not recommended when patient is receiving prednisone/prednisolone therapy due to cross reactivity with the antibody used in this assay
Serum separator tube (SST)
Room temperature
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days