Melanocyte Stimulation Hormone, Beta (b-MSH)
| Abbrev Code: | ARMISC | ||
| Order Code: | LAB4909 | Order Name: | Send Outs Misc Test |
| Synonyms: | MSH Beta | ||
| Methodology: | Radioimmunoassay | ||
| CPT Codes: | 83519 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 14-17 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 6 mL |
| Minimum\Peds Volume: | 2.2 mL |
| Container: | Purple (EDTA) |
| Patient Preparation: | Patient should not be on any steroid, ACTH, or hypertension medication, if possible, for at least 48 hours prior to specimen collection. Morning fasting specimens are preferred. |
| Causes for Rejection: | Room temperature specimens. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 3 mL, 1 mL minimum plasma within 2 hours of collection. Freeze immediately. |
| Shipping Instructions: | Ship frozen. Separate specimens must be submitted when multiple tests are ordered. |
| Stability: | 24 hours refrigerated; 1 month frozen; room temperature is unacceptable. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 98818 |
Interpretive
| Reference Range: | By report. |
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