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K52.2

Non-billable

Allergic and dietetic gastroenteritis and colitis

K52.2 is the ICD-10-CM code for Allergic and dietetic gastroenteritis and colitis. It is a non-billable category code — use a more specific child code such as K52.21 for billing.

Status
Header (non-billable)
Chapter
K00-K95
Parent
K52
Subcodes
3
Edition
FY2026

K00-K95 Diseases of the digestive system

Includes

  • •Food hypersensitivity gastroenteritis or colitis

Excludes2 — not included here

  • •allergic eosinophilic colitis (K52.82)
  • •allergic eosinophilic esophagitis (K20.0)
  • •allergic eosinophilic gastritis (K52.81)
  • •allergic eosinophilic gastroenteritis (K52.81)

Use additional code

Frequently asked questions

What is ICD-10 code K52.2?
K52.2 is the ICD-10-CM code for "Allergic and dietetic gastroenteritis and colitis". It falls under K00-K95 Diseases of the digestive system.
Is K52.2 a billable code?
No — K52.2 is a non-billable header code. Use a more specific child code (such as K52.21) for billing.
What are the subcodes of K52.2?
K52.2 has 3 more specific child codes, including K52.21, K52.22, K52.29.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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