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HelpTest Code 500118 Dexamethasone, Serum (500118)
Additional Codes
LabCorp Test Code: 500118
Synonyms/Keywords
Dexamethasone, Mass Spectromety
Specimen Requirements
| Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume |
Specimen Minimum Volume |
Pediatric Minimum Volume |
|---|---|---|---|---|---|
| Serum | Red Top Tube (RTT) | Serum Separator Tube (SST), EDTA Lavender Top Tube (LTT), Green Top (heparin) Tube (GTT), Plasma Separator Tube (PST) | 3 mL | 1 mL | 1 mL |
Collection/Processing Instructions
Separate serum or plasma from cells within one hour of collection. Transfer into a plastic transport tube and freeze. Transport frozen on dry ice. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen | 1 year |
| Refrigerated | 14 days | |
| Ambient | 6 days |
Reference Range Information
| Performing Location | Adult | Reference Range |
|---|---|---|
| LabCorp forwards to Esoterix | Baseline | < 30 |
| 8:00 AM, Following 1 mg Dexamethasone, Previous Evening | 140 - 295 | |
| 8:00 AM, Following 8 mg Dexamethasone, (4 x 2 mg Doses) Previous Day | 1600 - 2850 |
Performing Laboratory Name
LabCorp of America
Referral Laboratory Information
| Address | Telephone | Website Link | Marshfield Lab Account # |
|---|---|---|---|
|
6370 Wilcox Road Dublin, OH 43016 |
866-235-2291 | www.labcorp.com | 48300485 |
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| LabCorp forwards to Esoterix | Testing schedule varies | 7 to 13 days | Mass Spectrometry (MS) |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 80299 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 80299 |