Adrenal Corticotropin, Timed Study
| Sunquest Code: | ACTHTS | ||
| Epic Code: | LAB6687 | Epic Name: | Adrenal Corticotropin, Timed Study |
| Synonyms: | ACTH; Adrenocorticotropic Hormone; Corticotropin Timed Study; ACTH in a Series | ||
| Methodology: | Chemiluminescent immunoassay | ||
| Turnaround Time: | Performed Mon-Fri; results are reported the same day. | ||
| Special Instructions: | Contact both the Endocrine laboratory (612-273-3454) and the Core laboratory (612-273-3336) to schedule. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 0.5 mL |
| Container: | Purple (EDTA) on ICE |
| Collection Instructions: | Collect sample in a pre-chilled (EDTA) tube on ice. Exact collection time should be written on the label to differentiate between timed samples. |
| Causes for Rejection: | Sample not frozen when received. Sample not separated from cells and frozen within 2 hours of collection. |
Processing and Shipping
| Specimen Processing: | Keep specimen on ice. Centrifuge immediately (at refrigerated temperature if possible). Plasma must be separated from cells within 2 hours of collection. Aliquot 0.5 mL, 0.15 mL minimum and freeze immediately. Store in Freezer. |
| Shipping Instructions: | Ship on dry ice. |
| Test Performed at or Referral Lab | Endocrine (UMMC-East Bank) |
Interpretive
| Reference Range: | Up to 47 pg/mL; pediatric reference values are the same as those for adults. |
| Use: | This test is used for special timed studies when multiple ACTH samples are collected in quick succession (Interventional Radiology). |
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