CDOS

Melanocyte-stimulating Hormone (MSH)

Test Code: 010421

Performing Lab: LabCorp

CPT Code: 83519 001

Test Link (Copy)

Synonym

Alpha-Melanocyte-Stimulating Hormone; alpha-MSH Melanocyte-Stimulating Hormone (MSH), Plasma

Specimen Type

Plasma with Trasylol(R), FROZEN

Specimen Container

Lavender-top (EDTA) tube

Volume

2 mL

Minimum Volume

0.3 mL

Specimen Handling

Trasylol(R) kits may be ordered through the PeopleSoft system (LabCorp #33328). Using a chilled 6-mL lavender-top (EDTA) tube taken from the kit, collect a whole blood specimen. Mix the specimen several times by inverting the EDTA collection tube. After removing the cap from the EDTA draw tube, take one of the sterile, Beral pipettes (from under the grey foam), and add 0.25 mL Trasylol(R) to the EDTA tube. Recap the EDTA tube and invert several times to mix well. Centrifuge the EDTA tube to separate the plasma from the cells, and immediately transfer the plasma into one of the brown screw-cap transfer tubes provided in the kit. There should be a "Trasylol(R) Added" label affixed to the brown transfer tubes. Cap and freeze the labeled transfer tube containing the EDTA plasma with Trasylol(R) added. To avoid delays in turnaround time when requesting multiple tests on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMEN FOR EACH TEST REQUESTED

Unacceptable Conditions

Sample not collected with Trasylol(R); sample not submitted in tube with Trasylol label; gross hemolysis; recently administered radioisotopes; specimen not received frozen; serum, sodium citrate, or heparinized plasma specimen; lipemia

Temperature

FREEZE

Methodology

Radioimmunoassay (RIA)

Stability

Room Temperature: Unstable
Refrigerated: 1 day
Frozen: 14 days

Result Code	Result Name	LOINC
010421	Melanocyte Stimulating Hormone	1820-0

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