ICD-10-CM 2027

ICD-10 code for tolerance decrease

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

From the official ICD-10-CM alphabetic index entry “Decrease (d) › tolerance”. Page updated September 29, 2026.

About coding tolerance decrease

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

fat K90.49 — Malabsorption due to intolerance, not elsewhere classified
glucose R73.09 — Other abnormal glucose
pancreatic K90.3 — Pancreatic steatorrhea
salt and water E87.8 — Other disorders of electrolyte and fluid balance, not elsewhere classified

What is the ICD-10 code for fat tolerance decrease?: K90.49 — Malabsorption due to intolerance, not elsewhere classified.
What is the ICD-10 code for glucose tolerance decrease?: R73.09 — Other abnormal glucose.
What is the ICD-10 code for pancreatic tolerance decrease?: K90.3 — Pancreatic steatorrhea.
What is the ICD-10 code for salt and water tolerance decrease?: E87.8 — Other disorders of electrolyte and fluid balance, not elsewhere classified.