2021 ICD-10-CM Code K52.21
Food protein-induced enterocolitis syndrome
Valid for Submission
K52.21 is a billable diagnosis code used to specify a medical diagnosis of food protein-induced enterocolitis syndrome. The code K52.21 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code K52.21 might also be used to specify conditions or terms like dietetic enterocolitis, dietetic jejunitis, food protein-induced colitis in infant, food protein-induced proctitis in infant, food-protein induced enterocolitis syndrome , jejunitis, etc.
ICD-10: | K52.21 |
Short Description: | Food protein-induced enterocolitis syndrome |
Long Description: | Food protein-induced enterocolitis syndrome |
Code Classification
Tabular List of Diseases and Injuries
The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code K52.21:
Inclusion Terms
Inclusion TermsThese terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- FPIES
Use Additional Code
Use Additional CodeThe “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
- code for hypovolemic shock, if present R57.1
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code K52.21 are found in the index:
- - Allergy, allergic (reaction) (to) - T78.40
- - milk protein - See Also: Allergy, food; - Z91.011
- - enterocolitis syndrome - K52.21
- - milk protein - See Also: Allergy, food; - Z91.011
- - Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) - See Also: Enteritis; - K52.9
- - allergic - K52.29
- - with
- - food protein-induced enterocolitis syndrome - K52.21
- - with
- - allergic - K52.29
- - Enteritis (acute) (diarrheal) (hemorrhagic) (noninfective) - K52.9
- - allergic - K52.29
- - with
- - food protein-induced enterocolitis syndrome - K52.21
- - FPIES - K52.21
- - with
- - allergic - K52.29
- - Gastroenteritis (acute) (chronic) (noninfectious) - See Also: Enteritis; - K52.9
- - allergic - K52.29
- - with
- - food protein-induced enterocolitis syndrome - K52.21
- - with
- - allergic - K52.29
- - Syndrome - See Also: Disease;
- - food protein-induced enterocolitis (FPIES) - K52.21
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Dietetic enterocolitis
- Dietetic jejunitis
- Food protein-induced colitis in infant
- Food protein-induced proctitis in infant
- Food-protein induced enterocolitis syndrome
- Jejunitis
Diagnostic Related Groups - MS-DRG Mapping
The ICD-10 code K52.21 is grouped in the following groups for version MS-DRG V38.0 What are Diagnostic Related Groups?
The Diagnostic Related Groups (DRGs) are a patient classification scheme which provides a means of relating the type of patients a hospital treats. The DRGs divides all possible principal diagnoses into mutually exclusive principal diagnosis areas referred to as Major Diagnostic Categories (MDC). applicable from 10/01/2020 through 09/30/2021.
Replacement Code
K5221 replaces the following previously assigned ICD-10 code(s):
- K52.2 - Allergic and dietetic gastroenteritis and colitis
Convert K52.21 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code K52.21 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
- 558.3 - Allrgic gastro & colitis (Approximate Flag)
Code History
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018