Specific code 2015 ICD-9-CM Diagnosis Code 455.4
External thrombosed hemorrhoids
  • 2015
  • Billable Code
  • ICD-9-CM 455.4 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 455.4 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • External hemorrhoid, thrombosed
  • Thrombosed external hemorrhoid
  • Thrombosed external hemorrhoids
Convert to ICD-10-CM: 455.4 converts approximately to:
  • 2015 ICD-10-CM K64.5 Perianal venous thrombosis
ICD-9-CM Volume 2 Index entries containing back-references to 455.4:
  • Hemorrhoids (anus) (rectum) (without complication) 455.6
    • external 455.3
      • with complication NEC 455.5
      • bleeding, prolapsed, strangulated, or ulcerated 455.5
      • thrombosed 455.4
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 455.4 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.