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Test Code SOFT: OSMO Osmolality, Serum

Additional Codes

Ordering Mnemonic

EPIC NAME: OSMOLALITY

EPIC CODE: LAB107

 

Performing Laboratory

Saint Francis Medical Center-Chemistry

Specimen Requirements

Specimen Type: Serum

Container/Tube: Plain, red-top tube or serum gel tube

Specimen Volume: 0.5 mL

Stability: 7 days (R)

Specimen Transport Temperature

Ambient

Reference Values

285-295 mEq/L

Critical values (automatic call-back): <250 mEq/L or >330 mEq/L

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

83930

Methodology

Micro-Osmometer Freezing Point