2020 ICD-10-CM Diagnosis Code K64.5

Perianal venous thrombosis

    2016 2017 2018 2019 2020 Billable/Specific Code
  • K64.5 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 K64.5 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K64.5 - other international versions of ICD-10 K64.5 may differ.
Applicable To
  • External hemorrhoids with thrombosis
  • Perianal hematoma
  • Thrombosed hemorrhoids NOS
The following code(s) above K64.5 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 K64.5:
  • 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
  • K64
    ICD-10-CM Diagnosis Code K64

    Hemorrhoids and perianal venous thrombosis

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • piles
    Type 1 Excludes
    • hemorrhoids complicating childbirth and the puerperium (O87.2)
    • hemorrhoids complicating pregnancy (O22.4)
    Hemorrhoids and perianal venous thrombosis
Approximate Synonyms
  • Thrombosed external hemorrhoid
  • Thrombosed external hemorrhoids
  • Thrombosed hemorrhoid
  • Thrombosed hemorrhoids
  • Thrombosed internal hemorrhoid
  • Thrombosed internal hemorrhoids
ICD-10-CM K64.5 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 393 Other digestive system diagnoses with mcc
  • 394 Other digestive system diagnoses with cc
  • 395 Other digestive system diagnoses without cc/mcc

Convert K64.5 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 K64.5:
  • Hematoma (traumatic) (skin surface intact) - see also Contusion
    • perianal K64.5 (nontraumatic)
  • Hemorrhoids (bleeding) (without mention of degree) K64.9
    ICD-10-CM Diagnosis Code K64.9

    Unspecified hemorrhoids

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Hemorrhoids (bleeding) NOS
    • Hemorrhoids (bleeding) without mention of degree
    • external K64.4
      ICD-10-CM Diagnosis Code K64.4

      Residual hemorrhoidal skin tags

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • External hemorrhoids, NOS
      • Skin tags of anus
      • with
        • thrombosis K64.5
    • thrombosed K64.5 - see also Hemorrhoids, by degree
  • Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) I82.90
    ICD-10-CM Diagnosis Code I82.90

    Acute embolism and thrombosis of unspecified vein

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Embolism of vein NOS
    • Thrombosis (vein) NOS
    • vein (acute) I82.90
      ICD-10-CM Diagnosis Code I82.90

      Acute embolism and thrombosis of unspecified vein

        2016 2017 2018 2019 2020 Billable/Specific Code
      Applicable To
      • Embolism of vein NOS
      • Thrombosis (vein) NOS
      • perianal K64.5
    • anal K64.5
    • perianal venous K64.5
    • venous, perianal K64.5

ICD-10-CM Codes Adjacent To K64.5
K63.8 Other specified diseases of intestine
K63.81 Dieulafoy lesion of intestine
K63.89 Other specified diseases of intestine
K63.9 Disease of intestine, unspecified
K64 Hemorrhoids and perianal venous thrombosis
K64.0 First degree hemorrhoids
K64.1 Second degree hemorrhoids
K64.2 Third degree hemorrhoids
K64.3 Fourth degree hemorrhoids
K64.4 Residual hemorrhoidal skin tags
K64.5 Perianal venous thrombosis
K64.8 Other hemorrhoids
K64.9 Unspecified hemorrhoids
K65 Peritonitis
K65.0 Generalized (acute) peritonitis
K65.1 Peritoneal abscess
K65.2 Spontaneous bacterial peritonitis
K65.3 Choleperitonitis
K65.4 Sclerosing mesenteritis
K65.8 Other peritonitis
K65.9 Peritonitis, unspecified

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