2027 ICD-10-CM Diagnosis Code K63.89Other specified diseases of intestine
ICD-10-CM Codes›K00–K95›K55-K64›K63
- Billable — Valid for Submission
- Not Chronic
K63.89 is a billable ICD-10-CM diagnosis code for other specified diseases of intestine. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 393 through 395. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified gastrointestinal disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Abnormal large bowel motility
- Abnormal propulsive movements of large bowel motility
- Acquired hypoganglionosis of large intestine
- Aplasia cutis congenita with intestinal lymphangiectasia syndrome
- Atrophic mucosa of digestive system organ
- Autoimmune enteropathy
- Barium granuloma of colon
- Barium granuloma of intestine
- Benign lymphoid polyp of large intestine
- Chemical colitis
- Chronic diarrhea of infants AND/OR young children
- Chronic diarrhea with villous atrophy syndrome
- Chronic intestinal failure
- Congenital anomaly of lymphatic structure of trunk
- Congenital lymphangiectasia
- Diaphragm disease of intestine
- Dilatation of large intestine
- Duodenal cyst
- Edema of intestinal tract
- Entrapment of intestine by sclerotic peritoneum
- Entrapment of intestine in abdominal adhesions
- Entrapment of intestine in broad ligament
- Entrapment of intestine in cecocolic fold
- Entrapment of intestine in peritoneal defect
- Failure of intestine
- Food granuloma of intestine
- Foreign body granuloma of intestine
- Gastric anastomotic leak
- Gastrointestinal anastomotic dehiscence
- Gastrointestinal anastomotic leak
- Gastrointestinal irritation
- Granuloma of intestine
- Hematoma of jejunum
- Hemorrhage of jejunum
- Hereditary disorder of lymphatic system
- Hyperplastic polyp of intestine
- Hyperplastic polyp of small intestine
- Infection of colon caused by Spirochaetes
- Infective proctitis
- Inflammatory fibroid polyp of small intestine
- Intestinal dysbiosis
- Intestinal entrapment
- Intestinal lymphangiectasis
- Intestinal smooth muscle hypertrophy
- Koenig's syndrome II
- Large intestine anastomotic dehiscence
- Lipohyperplasia of ileocecal valve
- Lymphedema of intestine
- Lymphoid hyperplasia of small intestine
- Malakoplakia
- Malakoplakia of colon
- Malakoplakia of ileum
- Mass of right colic flexure
- Melanosis coli
- Natural killer cell enteropathy
- Nodular lymphoid hyperplasia of intestine
- Nodule of large intestine
- Non-gluten sensitive enteropathy syndrome
- Oleogranuloma of intestine
- Partial villous atrophy
- Pneumatosis coli
- Pneumatosis cystoides intestinalis
- Pneumatosis intestinalis of large intestine
- Pneumatosis intestinalis of small intestine
- Polyp of small intestine
- Polypectomy scar of large intestine
- Proctocolitis
- Proctocolitis due to secondary syphilis
- Proctosigmoiditis
- Pyogranulomatous enteritis
- Severe systemic illness-induced intestinal villous atrophy
- Small intestinal hematoma
- Small intestine anastomotic leak
- Structural abnormality of Auerbach plexus
- Structural abnormality of intestinal mucous membrane
- Structural abnormality of Meissner plexus
- Structural abnormality of mucous membrane of small intestine
- Structural abnormality of small intestinal villus
- Subepithelial lesion of large intestine
- Suture granuloma
- Suture granuloma of intestine
- Tortuous colon
- Villous atrophy
- Villous atrophy of intestine
- X-linked immune dysregulation, polyendocrinopathy, enteropathy syndrome
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to K63.89: its own notes plus those printed at Chapter 11. A note printed at a category, block or chapter applies to every code under it.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
intestinal K63.89
enteric K63.89
gastrointestinal K63.89
intestine K63.89
acquired K63.89
acquired K63.89
gastrointestinal tract (congenital) NOS Q45.9
acquired K63.89
acquired K63.89
intestine (large) (small) (congenital) NOS Q43.9
acquired K63.89
sigmoid (flexure) (congenital) Q43.9
acquired K63.89
Disease, diseased See Also: Syndrome;
specified NEC K63.89
colon K63.89
ileum K63.89
intestine NEC K63.89
ileum K63.89
intestine NEC K63.89
jejunum K63.89
cystoides intestinalis K63.89
intestinalis K63.89
Proctosigmoiditis K63.89
Rectosigmoiditis K63.89
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
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 the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert K63.89 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About K63.89Overview
What is the ICD-10 code for other specified diseases of intestine?
The ICD-10-CM code for other specified diseases of intestine is K63.89 (sometimes written as K6389). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is K63.89 (Other specified diseases of intestine) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified diseases of intestine on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does K63.89 group to?
When other specified diseases of intestine is the principal diagnosis on an inpatient stay, it groups to MS-DRG 394, 395, 393, with relative weights from 0.6379 to 1.5877 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of K63.89?
Under the General Equivalence Mappings, other specified diseases of intestine converts to ICD-9-CM 569.89 (intestinal disorders NEC). The mapping is approximate, so confirm the match fits the documentation.
