Melatonin
0098816
Ordering Recommendation
 
Mnemonic
MELATONIN
Methodology
Quantitative Radioimmunoassay
Performed
Wed
Reported
2-10 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Plain red. Also acceptable: Lavender (EDTA) or pink (K2EDTA).  
Specimen Preparation
Allow plain red tube to sit for 15-20 min at room temperature for proper clot formation. Centrifuge and separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Frozen.  
Unacceptable Conditions
Serum separator tube (SST). Hemolyzed or lipemic specimens.  
Remarks
Melatonin concentrations depend on age and on circadian rhythm, with maximum concentration at night between 1:00-3:00 a.m.  
Stability
Ambient: 24 hours; Refrigerated: 48 hours; Frozen: 3 months  
Reference Interval
By report  
Interpretive Data


See Compliance Statement D: www.aruplab.com/CS
Statement D: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
 
Note
 
CPT Code(s)
83519
Components
Component Test Code*Component Chart NameLOINC
0098816Melatonin11055-1
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • N-acetyl-5-methoxytryptamine