- K61.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM K61.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of K61.1 – other international versions of ICD-10 K61.1 may differ.
ICD-10-CM K61.1 is grouped within Diagnostic Related Group(s):
- 393 Other digestive system diagnoses with mcc
- 394 Other digestive system diagnoses with cc
- 395 Other digestive system diagnoses without cc/mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Applicable To
- Perirectal abscess
Type 1 Excludes
- ischiorectal abscess (K61.39)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to K61.1:
- rectal > intestine, intestinal NEC K63.0
- pararectal > Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- perirectal > Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- rectum > Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- perirectal > Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) L03.90
- rectum > Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) L03.90