2020 ICD-10-CM Diagnosis Code K61

Abscess of anal and rectal regions

    2016 2017 2018 2019 2020 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 2020 edition of ICD-10-CM K61 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K61 - other international versions of ICD-10 K61 may differ.
Includes
Includes 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:
  • 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
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
Code annotations containing back-references to K61:
  • Type 1 Excludes: K60
    ICD-10-CM Diagnosis Code K60

    Fissure and fistula of anal and rectal regions

      2016 2017 2018 2019 2020 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)
  • Type 2 Excludes: K63.0
    , L02
    , L03
    , L03.31
    ICD-10-CM Diagnosis Code K63.0

    Abscess of intestine

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    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 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 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 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
K59.4 Anal spasm
K59.8 Other specified functional intestinal disorders
K59.9 Functional intestinal disorder, unspecified
K60 Fissure and fistula of anal and rectal regions
K60.0 Acute anal fissure
K60.1 Chronic anal fissure
K60.2 Anal fissure, unspecified
K60.3 Anal fistula
K60.4 Rectal fistula
K60.5 Anorectal fistula
K61 Abscess of anal and rectal regions
K61.0 Anal abscess
K61.1 Rectal abscess
K61.2 Anorectal abscess
K61.3 Ischiorectal abscess
K61.31 Horseshoe abscess
K61.39 Other ischiorectal abscess
K61.4 Intrasphincteric abscess
K61.5 Supralevator abscess
K62 Other diseases of anus and rectum
K62.0 Anal polyp

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