2024 ICD-10-CM Diagnosis Code K63.3: Ulcer of intestine (2024)

ICD-10-CM Codes
K00-K95
K55-K64
K63-
2024 ICD-10-CM Diagnosis Code K63.3

Ulcer of intestine

2016

2017

2018

2019

2020

2021

2022

2023

2024

Billable/Specific Code

K63.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursem*nt purposes.
The 2024 edition of ICD-10-CM K63.3 became effective on October 1, 2023.
This is the American ICD-10-CM version of K63.3 - other international versions of ICD-10 K63.3 may differ.

Applicable To

Primary ulcer of small intestine

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as K63.3. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

duodenal ulcer (
ICD-10-CM Diagnosis Code K26
- K26 Duodenal ulcer
  - K26.0 Acute duodenal ulcer with hemorrhage
  - K26.1 Acute duodenal ulcer with perforation
  - K26.2 Acute duodenal ulcer with both hemorrhage and...
  - K26.3 Acute duodenal ulcer without hemorrhage or pe...
  - K26.4 Chronic or unspecified duodenal ulcer with he...
  - K26.5 Chronic or unspecified duodenal ulcer with pe...
  - K26.6 Chronic or unspecified duodenal ulcer with bo...
  - K26.7 Chronic duodenal ulcer without hemorrhage or ...
  - K26.9 Duodenal ulcer, unspecified as acute or chron...
K26.-)
gastrointestinal ulcer (
ICD-10-CM Diagnosis Code K28
- K28 Gastrojejunal ulcer
  - K28.0 Acute gastrojejunal ulcer with hemorrhage
  - K28.1 Acute gastrojejunal ulcer with perforation
  - K28.2 Acute gastrojejunal ulcer with both hemorrhag...
  - K28.3 Acute gastrojejunal ulcer without hemorrhage ...
  - K28.4 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.5 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.6 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.7 Chronic gastrojejunal ulcer without hemorrhag...
  - K28.9 Gastrojejunal ulcer, unspecified as acute or ...
K28.-)
gastrojejunal ulcer (
ICD-10-CM Diagnosis Code K28
- K28 Gastrojejunal ulcer
  - K28.0 Acute gastrojejunal ulcer with hemorrhage
  - K28.1 Acute gastrojejunal ulcer with perforation
  - K28.2 Acute gastrojejunal ulcer with both hemorrhag...
  - K28.3 Acute gastrojejunal ulcer without hemorrhage ...
  - K28.4 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.5 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.6 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.7 Chronic gastrojejunal ulcer without hemorrhag...
  - K28.9 Gastrojejunal ulcer, unspecified as acute or ...
K28.-)
jejunal ulcer (
ICD-10-CM Diagnosis Code K28
- K28 Gastrojejunal ulcer
  - K28.0 Acute gastrojejunal ulcer with hemorrhage
  - K28.1 Acute gastrojejunal ulcer with perforation
  - K28.2 Acute gastrojejunal ulcer with both hemorrhag...
  - K28.3 Acute gastrojejunal ulcer without hemorrhage ...
  - K28.4 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.5 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.6 Chronic or unspecified gastrojejunal ulcer wi...
  - K28.7 Chronic gastrojejunal ulcer without hemorrhag...
  - K28.9 Gastrojejunal ulcer, unspecified as acute or ...
K28.-)
peptic ulcer, site unspecified (
ICD-10-CM Diagnosis Code K27
- K27 Peptic ulcer, site unspecified
  - K27.0 Acute peptic ulcer, site unspecified, with he...
  - K27.1 Acute peptic ulcer, site unspecified, with pe...
  - K27.2 Acute peptic ulcer, site unspecified, with bo...
  - K27.3 Acute peptic ulcer, site unspecified, without...
  - K27.4 Chronic or unspecified peptic ulcer, site uns...
  - K27.5 Chronic or unspecified peptic ulcer, site uns...
  - K27.6 Chronic or unspecified peptic ulcer, site uns...
  - K27.7 Chronic peptic ulcer, site unspecified, witho...
  - K27.9 Peptic ulcer, site unspecified, unspecified a...
K27.-)
ulcer of intestine with perforation (
ICD-10-CM Diagnosis Code K63.1
Perforation of intestine (nontraumatic)
Applicable To
- Perforation (nontraumatic) of rectum
Type 1 Excludes
- perforation (nontraumatic) of duodenum (K26.-)
- perforation (nontraumatic) of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
Type 2 Excludes
- perforation (nontraumatic) of appendix (K35.2-, K35.3-)
See Also
Noninfective gastroenteritis and colitis, unspecified Other specified diseases of intestine Understanding the Presentation of Terminal Ileitis What Is Terminal Ileitis?
K63.1)
ulcer of anus or rectum (
ICD-10-CM Diagnosis Code K62.6
Ulcer of anus and rectum
Applicable To
- Solitary ulcer of anus and rectum
- Stercoral ulcer of anus and rectum
Type 1 Excludes
- fissure and fistula of anus and rectum (K60.-)
- ulcerative colitis (K51.-)
K62.6)
ulcerative colitis (
ICD-10-CM Diagnosis Code K51
- K51 Ulcerative colitis
  - K51.0 Ulcerative (chronic) pancolitis
    - K51.00 Ulcerative (chronic) pancolitis without compl...
    - K51.01 Ulcerative (chronic) pancolitis with complica...
      K51.011 Ulcerative (chronic) pancolitis with rectal b...
      K51.012 Ulcerative (chronic) pancolitis with intestin...
      K51.013 Ulcerative (chronic) pancolitis with fistula
      K51.014 Ulcerative (chronic) pancolitis with abscess
      K51.018 Ulcerative (chronic) pancolitis with other co...
      K51.019 Ulcerative (chronic) pancolitis with unspecif...
  - K51.2 Ulcerative (chronic) proctitis
    - K51.20 Ulcerative (chronic) proctitis without compli...
    - K51.21 Ulcerative (chronic) proctitis with complicat...
      K51.211 Ulcerative (chronic) proctitis with rectal bl...
      K51.212 Ulcerative (chronic) proctitis with intestina...
      K51.213 Ulcerative (chronic) proctitis with fistula
      K51.214 Ulcerative (chronic) proctitis with abscess
      K51.218 Ulcerative (chronic) proctitis with other com...
      K51.219 Ulcerative (chronic) proctitis with unspecifi...
  - K51.3 Ulcerative (chronic) rectosigmoiditis
    - K51.30 Ulcerative (chronic) rectosigmoiditis without...
    - K51.31 Ulcerative (chronic) rectosigmoiditis with co...
      K51.311 Ulcerative (chronic) rectosigmoiditis with re...
      K51.312 Ulcerative (chronic) rectosigmoiditis with in...
      K51.313 Ulcerative (chronic) rectosigmoiditis with fi...
      K51.314 Ulcerative (chronic) rectosigmoiditis with ab...
      K51.318 Ulcerative (chronic) rectosigmoiditis with ot...
      K51.319 Ulcerative (chronic) rectosigmoiditis with un...
  - K51.4 Inflammatory polyps of colon
    - K51.40 Inflammatory polyps of colon without complica...
    - K51.41 Inflammatory polyps of colon with complicatio...
      K51.411 Inflammatory polyps of colon with rectal blee...
      K51.412 Inflammatory polyps of colon with intestinal ...
      K51.413 Inflammatory polyps of colon with fistula
      K51.414 Inflammatory polyps of colon with abscess
      K51.418 Inflammatory polyps of colon with other compl...
      K51.419 Inflammatory polyps of colon with unspecified...
  - K51.5 Left sided colitis
    - K51.50 …… without complications
    - K51.51 Left sided colitis with complications
      K51.511 Left sided colitis with rectal bleeding
      K51.512 Left sided colitis with intestinal obstructio...
      K51.513 Left sided colitis with fistula
      K51.514 Left sided colitis with abscess
      K51.518 Left sided colitis with other complication
      K51.519 Left sided colitis with unspecified complicat...
  - K51.8 Other ulcerative colitis
    - K51.80 Other ulcerative colitis without complication...
    - K51.81 Other ulcerative colitis with complications
      K51.811 Other ulcerative colitis with rectal bleeding...
      K51.812 Other ulcerative colitis with intestinal obst...
      K51.813 Other ulcerative colitis with fistula
      K51.814 Other ulcerative colitis with abscess
      K51.818 Other ulcerative colitis with other complicat...
      K51.819 Other ulcerative colitis with unspecified com...
  - K51.9 Ulcerative colitis, unspecified
    - K51.90 Ulcerative colitis, unspecified, without comp...
    - K51.91 Ulcerative colitis, unspecified, with complic...
      K51.911 Ulcerative colitis, unspecified with rectal b...
      K51.912 Ulcerative colitis, unspecified with intestin...
      K51.913 Ulcerative colitis, unspecified with fistula
      K51.914 Ulcerative colitis, unspecified with abscess
      K51.918 Ulcerative colitis, unspecified with other co...
      K51.919 Ulcerative colitis, unspecified with unspecif...
K51.-)

The following code(s) above K63.3 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 K63.3:

K00-K95
2024 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)
See Also
Other intestinal obstruction unspecified as to partial versus complete obstruction
Diseases of the digestive system

Approximate Synonyms

Ulceration of intestine

ICD-10-CM K63.3 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

393 Other digestive system diagnoses with mcc
394 Other digestive system diagnoses with cc
395 Other digestive system diagnoses without cc/mcc

Convert K63.3 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
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change
2024 (effective 10/1/2023): No change

Code annotations containing back-references to K63.3:

Type 1 Excludes: K28
ICD-10-CM Diagnosis Code K28
Gastrojejunal ulcer
Includes
- anastomotic ulcer (peptic) or erosion
- gastrocolic ulcer (peptic) or erosion
- gastrointestinal ulcer (peptic) or erosion
- gastrojejunal ulcer (peptic) or erosion
- jejunal ulcer (peptic) or erosion
- marginal ulcer (peptic) or erosion
- stomal ulcer (peptic) or erosion
Type 1 Excludes
- primary ulcer of small intestine (K63.3)
Use Additional
- code to identify:
- alcohol abuse and dependence (F10.-)

Diagnosis Index entries containing back-references to K63.3:

Erosion
- intestine K63.3
Stercoraceous, stercoral ulcer K63.3
Ulcer, ulcerated, ulcerating, ulceration, ulcerative
- intestine, intestinal K63.3
  - primary, small intestine K63.3
  - stercoraceous, stercoral K63.3
- primary of intestine K63.3
- rectosigmoid K63.3
- stercoraceous, stercoral K63.3

ICD-10-CM Codes Adjacent To K63.3

K62.7 Radiation proctitis

K62.8 Other specified diseases of anus and rectum

K62.81 Anal sphincter tear (healed) (nontraumatic) (old)

K62.82 Dysplasia of anus

K62.89 Other specified diseases of anus and rectum

K62.9 Disease of anus and rectum, unspecified

K63 Other diseases of intestine

K63.0 Abscess of intestine

K63.1 Perforation of intestine (nontraumatic)

K63.2 Fistula of intestine

K63.3 Ulcer of intestine

K63.4 Enteroptosis

K63.5 Polyp of colon

K63.8 Other specified diseases of intestine

K63.81 Dieulafoy lesion of intestine

K63.82 Intestinal microbial overgrowth

K63.821 Small intestinal bacterial overgrowth

K63.8211 …… hydrogen-subtype

K63.8212 …… hydrogen sulfide-subtype

K63.8219 …… unspecified

K63.822 Small intestinal fungal overgrowth

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

2024 ICD-10-CM Diagnosis Code K63.3: Ulcer of intestine (2024)

Ulcer of intestine

Perforation of intestine (nontraumatic)

Ulcer of anus and rectum

Gastrojejunal ulcer