Osmolality (LABCORP)

Test Code

99901000074

Alias/See Also

LAB107: Osmolality, Blood | LABCORP EAP: 002071

CPT Codes
83930x1

Preferred Specimen

LABCORP LAB: Serum Separator Tube (Refrigerated) Min Vol: .2

Other Acceptable Specimens

LABCORP LAB: YELLOW TOP: (Refrigerated) Min Vol: .2
LABCORP LAB: LIME TOP- LIHEP: (Refrigerated) Min Vol: .2
LABCORP LAB: MICRO RED: (Refrigerated) Min Vol: .2
LABCORP LAB: MICRO YELLOW: (Refrigerated) Min Vol: .2
LABCORP LAB: RED TOP - PLAIN: (Refrigerated) Min Vol: .2

Transport Temperature

Special Instructions: Values obtained with different assay methodologies should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient’s course of therapy. This procedure does not provide serial monitoring; it is intended for one-time use only. If serial monitoring is required, please use the serial monitoring number (480095) to order. Specimen: Serum Volume: 1 mL Minimum Volume: 0.7 (NOTE: This volume does NOT allow for repeat testing) Container: Gel-barrier tube (preferred) or red-top tube Collection: If a red-top tube is used, transfer separated serum to a plastic transport tube. Storage Instructions: Refrigerate.

Report Available

LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min

Last Updated: March 6, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.