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ICD-10-CM Codes
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K00-K95
Diseases of the digestive system
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K55-K64
Other diseases of intestines
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K61-
Abscess of anal and rectal regions
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2022 ICD-10-CM Diagnosis Code K61
2022 ICD-10-CM Diagnosis Code K61
Abscess of anal and rectal regions
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
- K61 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2022 edition of ICD-10-CM K61 became effective on October 1, 2021.
- This is the American ICD-10-CM version of K61 - other international versions of ICD-10 K61 may differ.
IncludesIncludes Help
"Includes" further defines, or give examples of, the content of the code or category.
- abscess of anal and rectal regions
- cellulitis of anal and rectal regions
The following code(s) above
K61 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
K61:
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
Code annotations containing back-references to K61:
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Type 1 Excludes: K60
ICD-10-CM Diagnosis Code K60
Fissure and fistula of anal and rectal regions
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
Type 1 Excludes- fissure and fistula of anal and rectal regions with abscess or cellulitis (K61.-)
Type 2 Excludes- anal sphincter tear (healed) (nontraumatic) (old) (K62.81)
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Type 2 Excludes: K63.0, L02, L03, L03.31
ICD-10-CM Diagnosis Code K63.0
Abscess of intestine
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
Type 1 Excludes- abscess of intestine with Crohn's disease (K50.014, K50.114, K50.814, K50.914,)
- abscess of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
- abscess of intestine with ulcerative colitis (K51.014, K51.214, K51.314, K51.414, K51.514, K51.814, K51.914)
Type 2 Excludes- abscess of anal and rectal regions (K61.-)
- abscess of appendix (K35.3-)
ICD-10-CM Diagnosis Code L02
Cutaneous abscess, furuncle and carbuncle
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
Type 2 Excludes- abscess of anus and rectal regions (K61.-)
- abscess of female genital organs (external) (N76.4)
- abscess of male genital organs (external) (N48.2, N49.-)
Use Additional- code to identify organism (B95-B96)
ICD-10-CM Diagnosis Code L03
Cellulitis and acute lymphangitis
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
Type 2 Excludes- cellulitis of anal and rectal region (K61.-)
- cellulitis of external auditory canal (H60.1)
- cellulitis of eyelid (H00.0)
- cellulitis of female external genital organs (N76.4)
- cellulitis of lacrimal apparatus (H04.3)
- cellulitis of male external genital organs (N48.2, N49.-)
- cellulitis of mouth (K12.2)
- cellulitis of nose (J34.0)
- eosinophilic cellulitis [Wells] (L98.3)
- febrile neutrophilic dermatosis [Sweet] (L98.2)
- lymphangitis (chronic) (subacute) (I89.1)
ICD-10-CM Diagnosis Code L03.31
Cellulitis of trunk
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
Type 2 Excludes- cellulitis of anal and rectal regions (K61.-)
- cellulitis of breast NOS (N61.0)
- cellulitis of female external genital organs (N76.4)
- cellulitis of male external genital organs (N48.2, N49.-)
- omphalitis of newborn (P38.-)
- puerperal cellulitis of breast (O91.2)
ICD-10-CM Codes Adjacent To K61
K59.89 Other specified functional intestinal disorders
K59.9 Functional intestinal disorder, unspecified
K60 Fissure and fistula of anal and rectal regions
K60.1 Chronic anal fissure
K60.2 Anal fissure, unspecified
K61
Abscess of anal and rectal regions
K61.3 Ischiorectal abscess
K61.39 Other ischiorectal abscess
K61.4 Intrasphincteric abscess
K61.5 Supralevator abscess
K62 Other diseases of anus and rectum
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.