Specific code 2012 ICD-9-CM Diagnosis Code 455.1
Internal thrombosed hemorrhoids
  • Short description: Int thrombos hemorrhoid.
  • ICD-9-CM 455.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 455.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2012 version of ICD-9-CM 455.1.
  • More recent version(s) of ICD-9-CM 455.1: 2013 2014 2015.
Convert to ICD-10-CM: 455.1 converts approximately to:
  • 2015/16 ICD-10-CM K64.8 Other hemorrhoids
Approximate Synonyms
  • Thrombosed first degree internal hemorrhoid
  • Thrombosed fourth degree internal hemorrhoid
  • Thrombosed internal hemorrhoid
  • Thrombosed internal hemorrhoids
  • Thrombosed second degree internal hemorrhoid
  • Thrombosed third degree internal hemorrhoid
ICD-9-CM Volume 2 Index entries containing back-references to 455.1:
  • Hemorrhoids (anus) (rectum) (without complication) 455.6
    • internal 455.0
      • with complication NEC 455.2
      • bleeding, prolapsed, strangulated, or ulcerated 455.2
      • thrombosed 455.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 455.1 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.