ICD-10-CM 2027
ICD-10 code for intolerance
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Intolerance”. Page updated September 29, 2026.
About coding intolerance
The official ICD-10-CM index doesn't give a single default code for intolerance; the code depends on the details below.
More specific intolerance codes (official index)
- carbohydrate K90.49 — Malabsorption due to intolerance, not elsewhere classified
- disaccharide, hereditary E73.0 — Congenital lactase deficiency
- fat NEC K90.49 — Malabsorption due to intolerance, not elsewhere classified
- pancreatic K90.3 — Pancreatic steatorrhea
- food K90.49 — Malabsorption due to intolerance, not elsewhere classified
- dietary counseling and surveillance Z71.3 — Dietary counseling and surveillance
- fructose E74.10 — Disorder of fructose metabolism, unspecified
- hereditary E74.12 — Hereditary fructose intolerance
- glucose (-galactose) E74.39 — Other disorders of intestinal carbohydrate absorption
- gluten K90.41 — Non-celiac gluten sensitivity
- lactose E73.9 — Lactose intolerance, unspecified
- specified NEC E73.8 — Other lactose intolerance
- lysine E72.3 — Disorders of lysine and hydroxylysine metabolism
- milk NEC K90.49 — Malabsorption due to intolerance, not elsewhere classified
- lactose E73.9 — Lactose intolerance, unspecified
- orthostatic, chronic G90.A — Postural orthostatic tachycardia syndrome [POTS]
- protein K90.49 — Malabsorption due to intolerance, not elsewhere classified
- starch NEC K90.49 — Malabsorption due to intolerance, not elsewhere classified
- sucrose (-isomaltose) E74.31 — Sucrase-isomaltase deficiency
Common questions about intolerance ICD-10 codes
What is the ICD-10 code for carbohydrate intolerance?
- K90.49 — Malabsorption due to intolerance, not elsewhere classified.
What is the ICD-10 code for fat nec intolerance?
- K90.49 — Malabsorption due to intolerance, not elsewhere classified.
What is the ICD-10 code for food intolerance?
- K90.49 — Malabsorption due to intolerance, not elsewhere classified.
What is the ICD-10 code for fructose intolerance?
- E74.10 — Disorder of fructose metabolism, unspecified.
What is the ICD-10 code for glucose intolerance?
- E74.39 — Other disorders of intestinal carbohydrate absorption.
What is the ICD-10 code for gluten intolerance?
- K90.41 — Non-celiac gluten sensitivity.
What is the ICD-10 code for lactose intolerance?
- E73.9 — Lactose intolerance, unspecified.