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Test Code Mayo: UOSMU |Beaker: LAB420 Osmolality, Random, Urine

Important Note

Only available in the Lafayette region

Additional Codes

Epic EAP: LAB420

Epic Description:OSMOLALITY, URINE RANDOM

Reporting Name

Osmolality, U

Useful For

Assessing the concentrating and diluting ability of the kidney

Performing Laboratory

Mayo Clinic Laboratories in Rochester


Specimen Required


Supplies: Urine Tubes, 10 mL (T068)

Container/Tube: Plastic, 10-mL urine tube

Specimen Volume: 5 mL

Collection Instructions: Collect a random urine specimen


Specimen Minimum Volume

1 mL

Reference Values

0-11 months: 50-750 mOsm/kg

≥12 months: 150-1,150 mOsm/kg

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

83935

LOINC Code Information

Test ID Test Order Name Order LOINC Value
UOSMU Osmolality, U 2695-5

 

Result ID Test Result Name Result LOINC Value
UOSMU Osmolality, U 2695-5

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Method Name

Freezing Point Depression

Specimen Type

Urine

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Refrigerated (preferred) 7 days
  Frozen  7 days

Forms

If not ordering electronically, complete, print, and send a Renal Diagnostics Test Request (T830) with the specimen.

Secondary ID

606520

Day(s) Performed

Monday through Sunday

Report Available

Same day/1 day