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ICD-10-CM 2027

ICD-10 code for blood sugar

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Sugar › blood”. Page updated September 29, 2026.

About coding blood sugar

The official ICD-10-CM index doesn't give a single default code for blood sugar; the code depends on the details below.

More specific blood sugar codes (official index)

  • high (transient) R73.9 — Hyperglycemia, unspecified
  • low (transient) E16.2 — Hypoglycemia, unspecified

Common questions about blood sugar ICD-10 codes

What is the ICD-10 code for high blood sugar?

R73.9 — Hyperglycemia, unspecified.

What is the ICD-10 code for low blood sugar?

E16.2 — Hypoglycemia, unspecified.