ICD-10-CM Codes
K00-K95 Diseases of the digestive system
K55-K64 Other diseases of intestines
K55- Vascular disorders of intestine

2020 ICD-10-CM Diagnosis Code K55.21

Angiodysplasia of colon with hemorrhage

2016

2017

2018

2019

2020

Billable/Specific Code

K55.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM K55.21 became effective on October 1, 2019.
This is the American ICD-10-CM version of K55.21 - other international versions of ICD-10 K55.21 may differ.

The following code(s) above K55.21 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 K55.21:

K00-K95
2020 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
K55
ICD-10-CM Diagnosis Code K55
Vascular disorders of intestine
Type 1 Excludes
- necrotizing enterocolitis of newborn (P77.-)
Vascular disorders of intestine

Approximate Synonyms

Angiodysplasia of intestine with hemorrhage
Intestinal hemorrhage due to angiodysplasia of intestine

ICD-10-CM K55.21 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

377 G.i. Hemorrhage with mcc
378 G.i. Hemorrhage with cc
379 G.i. Hemorrhage without cc/mcc

Convert K55.21 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

Diagnosis Index entries containing back-references to K55.21:

Angiodysplasia (cecum) (colon) K55.20
ICD-10-CM Diagnosis Code K55.20
Angiodysplasia of colon without hemorrhage
- with bleeding K55.21

ICD-10-CM Codes Adjacent To K55.21

K55.051 Focal (segmental) acute (reversible) ischemia of intestine, part unspecified

K55.052 Diffuse acute (reversible) ischemia of intestine, part unspecified

K55.059 Acute (reversible) ischemia of intestine, part and extent unspecified

K55.06 Acute infarction of intestine, part unspecified

K55.061 Focal (segmental) acute infarction of intestine, part unspecified

K55.062 Diffuse acute infarction of intestine, part unspecified

K55.069 Acute infarction of intestine, part and extent unspecified

K55.1 Chronic vascular disorders of intestine

K55.2 Angiodysplasia of colon

K55.20 …… without hemorrhage

K55.21 …… with hemorrhage

K55.3 Necrotizing enterocolitis

K55.30 …… unspecified

K55.31 Stage 1 necrotizing enterocolitis

K55.32 Stage 2 necrotizing enterocolitis

K55.33 Stage 3 necrotizing enterocolitis

K55.8 Other vascular disorders of intestine

K55.9 Vascular disorder of intestine, unspecified

K56 Paralytic ileus and intestinal obstruction without hernia

K56.0 Paralytic ileus

K56.1 Intussusception

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

2020 ICD-10-CM Diagnosis Code K55.21

Angiodysplasia of colon with hemorrhage

Diseases of the digestive system

Vascular disorders of intestine

Angiodysplasia of colon without hemorrhage