Other and unspecified noninfective gastroenteritis and colitis
In Noninfective enteritis and colitis (K50-K52), chapter 11: Diseases of the Digestive System
14 billable codes under K52: 2 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.
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Instructional notes
Also applies, from Noninfective enteritis and colitis (K50-K52)
These notes sit on K50-K52 and apply to every code under it, including K52.
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.
All codes under K52
K52 can't be used on a claim. Pick a billable code below; grey headings group them.
- K52.0Gastroenteritis and colitis due to radiation
- K52.1Toxic gastroenteritis and colitis
- K52.2Allergic and dietetic gastroenteritis and colitis
- K52.21Food protein-induced enterocolitis syndrome
- K52.22Food protein-induced enteropathy
- K52.29Other allergic and dietetic gastroenteritis and colitis
- K52.3Indeterminate colitis
- K52.8Other specified noninfective gastroenteritis and colitis
- K52.81Eosinophilic gastritis or gastroenteritis
- K52.82Eosinophilic colitis
- K52.83Microscopic colitis
- K52.831Collagenous colitis
- K52.832Lymphocytic colitis
- K52.838Other microscopic colitis
- K52.839Microscopic colitis, unspecified
- K52.89Other specified noninfective gastroenteritis and colitis
- K52.9Noninfective gastroenteritis and colitis, unspecified
K52 MS-DRGs
As the principal diagnosis, the billable codes under K52 group to these 7 MS-DRGs (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 391 Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC (12 of 14 codes)
- DRG 392 Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCC (12 of 14 codes)
- DRG 393 Other Digestive System Diagnoses with MCC (2 of 14 codes)
- DRG 394 Other Digestive System Diagnoses with CC (2 of 14 codes)
- DRG 395 Other Digestive System Diagnoses without CC/MCC (2 of 14 codes)
- DRG 791 Prematurity with Major Problems (1 of 14 codes)
- DRG 793 Full Term Neonate with Major Problems (1 of 14 codes)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Colonic Diseases
Your colon, also known as the large intestine, is part of your digestive system. It's a long, hollow tube at the end of your digestive tract where your body makes and stores stool. Many disorders affect the colon's ability to work properly. Some of these include:
Read more about colonic diseases on MedlinePlusDigestive Diseases
When you eat, your body breaks food down to a form it can use to build and nourish cells and provide energy. This process is called digestion. Your digestive system is a series of hollow organs joined in a long, twisting tube. It runs from your mouth to your anus and includes your esophagus, stomach, and small and large intestines. Your liver, gallbladder and pancreas are also involved. They produce juices to help digestion.
Read more about digestive diseases on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.