ICD-10-CM 2027
ICD-10 code for protein
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Protein”. Page updated September 29, 2026.
About coding protein
The official ICD-10-CM index doesn't give a single default code for protein; the code depends on the details below.
More specific protein codes (official index)
- deficiency NEC
- malnutrition
- sickness T80.69 — Other serum reaction due to other serum
Common questions about protein ICD-10 codes
What is the ICD-10 code for sickness protein?
- T80.69 — Other serum reaction due to other serum (header code; choose a more specific subcode).