ICD-10-CM Codes
K00-K95 Diseases of the digestive system
K50-K52 Noninfective enteritis and colitis
K51- Ulcerative colitis
2021 ICD-10-CM Diagnosis Code K51.912

2021 ICD-10-CM Diagnosis Code K51.912

Ulcerative colitis, unspecified with intestinal obstruction

2016

2017

2018

2019

2020

2021

Billable/Specific Code

K51.912 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM K51.912 became effective on October 1, 2020.
This is the American ICD-10-CM version of K51.912 - other international versions of ICD-10 K51.912 may differ.

The following code(s) above K51.912 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to K51.912:

K00-K95
2021 ICD-10-CM Range K00-K95
Diseases of the digestive system
Type 2 Excludes
- 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)
Diseases of the digestive system
K50-K52
2021 ICD-10-CM Range K50-K52
Noninfective enteritis and colitis
Includes
- noninfective inflammatory bowel disease
Type 1 Excludes
- irritable bowel syndrome (K58.-)
- megacolon (K59.3-)
Noninfective enteritis and colitis
K51
ICD-10-CM Diagnosis Code K51
Ulcerative colitis
Type 1 Excludes
- Crohn's disease [regional enteritis] (K50.-)
Use Additional
- code to identify manifestations, such as:
- pyoderma gangrenosum (L88)
Ulcerative colitis

Approximate Synonyms

Intestinal obstruction due to ulcerative colitis
Ulcerative colitis with obstruction

ICD-10-CM K51.912 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

385 Inflammatory bowel disease with mcc
386 Inflammatory bowel disease with cc
387 Inflammatory bowel disease without cc/mcc

Convert K51.912 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to K51.912:

Colitis (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic) K52.9
- see also Enteritis
ICD-10-CM Diagnosis Code K52.9
Noninfective gastroenteritis and colitis, unspecified
Applicable To
Colitis NOS
Enteritis NOS
Gastroenteritis NOS
Ileitis NOS
Jejunitis NOS
Sigmoiditis NOS
Type 1 Excludes
diarrhea NOS (R19.7)
functional diarrhea (K59.1)
infectious gastroenteritis and colitis NOS (A09)
neonatal diarrhea (noninfective) (P78.3)
psychogenic diarrhea (F45.8)
- ulcerative (chronic) K51.90
  ICD-10-CM Diagnosis Code K51.90
  Ulcerative colitis, unspecified, without complications
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - with
    - complication K51.919
      ICD-10-CM Diagnosis Code K51.919
      Ulcerative colitis, unspecified with unspecified complications
      2016 2017 2018 2019 2020 2021 Billable/Specific Code
      - obstruction K51.912

ICD-10-CM Codes Adjacent To K51.912

K51.811 Other ulcerative colitis with rectal bleeding

K51.812 Other ulcerative colitis with intestinal obstruction

K51.813 Other ulcerative colitis with fistula

K51.814 Other ulcerative colitis with abscess

K51.818 Other ulcerative colitis with other complication

K51.819 Other ulcerative colitis with unspecified complications

K51.9 Ulcerative colitis, unspecified

K51.90 …… without complications

K51.91 Ulcerative colitis, unspecified, with complications

K51.911 Ulcerative colitis, unspecified with rectal bleeding

K51.912 Ulcerative colitis, unspecified with intestinal obstruction

K51.913 Ulcerative colitis, unspecified with fistula

K51.914 Ulcerative colitis, unspecified with abscess

K51.918 Ulcerative colitis, unspecified with other complication

K51.919 Ulcerative colitis, unspecified with unspecified complications

K52 Other and unspecified noninfective gastroenteritis and colitis

K52.0 Gastroenteritis and colitis due to radiation

K52.1 Toxic gastroenteritis and colitis

K52.2 Allergic and dietetic gastroenteritis and colitis

K52.21 Food protein-induced enterocolitis syndrome

K52.22 Food protein-induced enteropathy

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code K51.912

Ulcerative colitis, unspecified with intestinal obstruction

Diseases of the digestive system

Noninfective enteritis and colitis

Ulcerative colitis

Noninfective gastroenteritis and colitis, unspecified

Ulcerative colitis, unspecified, without complications

Ulcerative colitis, unspecified with unspecified complications