Osmolality

Osmolality tests measure the amount of certain substances in your blood, urine, or stool (poop). The tests can show how your kidneys are working and whether you have an unhealthy fluid balance.

Osmolality tests may be used for a variety of reasons.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

2 published ranges, each from a named source

280303 mOsm/kg drawn: 17 y+ · ARUP Laboratories Test Directory

17 y+: 280–303 mOsm/kg

Ranges from ARUP Laboratories Test Directory.

All source ranges (2)

Source	Sex	Age	Range
ARUP Laboratories Test Directory	All	≤ 16 y	271–296 mOsm/kg
ARUP Laboratories Test Directory	All	17 y+	280–303 mOsm/kg

details

Code: LOINC 2693-0 · mOsm/kg
Also known as: Observation, Osmolality, Osmo

See your own Osmolality Add a lab report and it is drawn against your lab's range, over time. Upload a Blood Test