ICD-10 Diagnosis Code K52.21

Food protein-induced enterocolitis syndrome

Diagnosis Code K52.21

ICD-10: K52.21
Short Description: Food protein-induced enterocolitis syndrome
Long Description: Food protein-induced enterocolitis syndrome
This is the 2017 version of the ICD-10-CM diagnosis code K52.21

Valid for Submission
The code K52.21 is valid for submission for HIPAA-covered transactions.

New 2017 ICD-10 Code
K52.21 is new to ICD-10 code set for the FY 2017, effective October 1, 2016.

Code Classification
  • Diseases of the digestive system (K00–K93)
    • Noninfective enteritis and colitis (K50-K52)
      • Other and unsp noninfective gastroenteritis and colitis (K52)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code K52.21 is grouped in the following Diagnostic Related Group(s) (MS-DRG V34.0)

  • 391 - ESOPHAGITIS, GASTROENTERITIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITH MCC
  • 392 - ESOPHAGITIS, GASTROENTERISTIS AND MISCELLANEOUS DIGESTIVE DISORDERS WITHOUT MCC

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Index of Diseases and Injuries
References found for the code K52.21 in the Index of Diseases and Injuries:


    Replacement Code Additional informationCallout TooltipReplacement Code
    The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2016. This is a new and revised code for the FY 2017 (October 1, 2016-September 30, 2017).

    This code replaces the following previously assigned ICD-10 code(s) listed below:
    • K52.2 - Allergic and dietetic gastroenteritis and colitis


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