Na corrected for hyperglycemia

Required inputs

• Measured Na (mEq/L)
• Glucose

Equation or source

Katz 1973 (1.6); Hillier 1999 (2.4 above 400 mg/dL).

Provenance and release status

Equation / algorithm

Estimate true serum Na when glucose is elevated (osmotic dilution).

Formula version

na-hyperglyc-v1

Tool version

2.4.0

Clinical risk class

A. EDUCATIONAL CALCULATOR

Release status

Verified

Source status

Direct primary or authoritative source identifier resolved

Clinical review status

Independent formula verification completed; clinical review date not documented

Clinical review date

Clinical review date not yet documented

• PMID 4763428
• DOI 10.1056/NEJM197310182891607
• PMID 10225241
• DOI 10.1016/S0002-9343(99)00055-8

Assumptions

• Entered values and units are accurate and apply to the population described by the cited source.
• The published equation or rule is being used without a patient-specific clinical adjustment.

Important limitations

• The result does not replace clinical assessment or establish a diagnosis.
• Performance outside the source population may differ.