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Urine Osmolality
Urine
Urine Osmolality
Also known as: Urine Osm, UOsm
COMMON RANGE
150 – 1150
mOsm/kg
50
1250
M
Mayo Clinic Laboratories
Adult
↗
See all sources ↓
Reference ranges across 10+ sources
Adult reference ranges from 4 entries across 4 trusted sources, shown in mOsm/kg. Compare side-by-side.
SOURCE
SEX
AGE
RANGE
VISUAL
CITE
A
ARUP Laboratories
All
≥18
285 – 869 mOsm/kg
↗
M
Mayo Clinic Laboratories
All
≥18
150 – 1150 mOsm/kg
↗
Q
Quest Diagnostics
All
≥18
278 – 909 mOsm/kg
↗
L
Labcorp
All
≥18
311 – 907 mOsm/kg
↗
A
ARUP Laboratories
All · ≥18
↗
285 – 869 mOsm/kg
M
Mayo Clinic Laboratories
All · ≥18
↗
150 – 1150 mOsm/kg
Q
Quest Diagnostics
All · ≥18
↗
278 – 909 mOsm/kg
L
Labcorp
All · ≥18
↗
311 – 907 mOsm/kg
Related biomarkers
Often tested alongside urine osmolality or part of the same panel.
Urine pH
Urine
Urine Protein
Urine
Urine Glucose
Urine
Urine Creatinine
Urine
Urine Albumin (Microalbumin)
Urine
Albumin-to-Creatinine Ratio (ACR)
Urine
Sources
A
ARUP Laboratories
M
Mayo Clinic Laboratories
Q
Quest Diagnostics
L
Labcorp
Last updated 2026-05-02
This page aggregates publicly available reference data and clinical information from Mayo Clinic Laboratories and other sources. For general wellness information only — not medical advice. For diagnosis or treatment of any condition, talk to a qualified clinician.
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