2021 ICD-10-CM Code S51.85

Open bite of forearm

Version 2021

Not Valid for Submission

S51.85 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of open bite of forearm. The code is not specific and is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:S51.85
Short Description:Open bite of forearm
Long Description:Open bite of forearm

Code Classification

Coding Guidelines

The appropriate 7th character is to be added to each code from block Open wound of elbow and forearm (S51). Use the following options for the aplicable episode of care:

Specific Coding for Open bite of forearm

Non-specific codes like S51.85 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for open bite of forearm:

  • NON-BILLABLE CODE - S51.851 for Open bite of right forearm
  • BILLABLE CODE - Use S51.851A for initial encounter
  • BILLABLE CODE - Use S51.851D for subsequent encounter
  • BILLABLE CODE - Use S51.851S for sequela
  • NON-BILLABLE CODE - S51.852 for Open bite of left forearm
  • BILLABLE CODE - Use S51.852A for initial encounter
  • BILLABLE CODE - Use S51.852D for subsequent encounter
  • BILLABLE CODE - Use S51.852S for sequela
  • NON-BILLABLE CODE - S51.859 for Open bite of unspecified forearm
  • BILLABLE CODE - Use S51.859A for initial encounter
  • BILLABLE CODE - Use S51.859D for subsequent encounter
  • BILLABLE CODE - Use S51.859S for sequela

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code S51.85:


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code S51.85 are found in the index:

Information for Patients


Animal Bites

Also called: Cat bites, Dog bites

Wild animals usually avoid people. They might attack, however, if they feel threatened, are sick, or are protecting their young or territory. Attacks by pets are more common. Animal bites rarely are life-threatening, but if they become infected, you can develop serious medical problems.

To prevent animal bites and complications from bites

If an animal bites you, clean the wound with soap and water as soon as possible. Get medical attention if necessary.

Centers for Disease Control and Prevention


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)