2021 ICD-10-CM Code S46.3

Injury of muscle, fascia and tendon of triceps

Version 2021
Non-Billable Code

Not Valid for Submission

S46.3 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of injury of muscle, fascia and tendon of triceps. The code 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:S46.3
Short Description:Injury of muscle, fascia and tendon of triceps
Long Description:Injury of muscle, fascia and tendon of triceps

Code Classification

Specific Coding for Injury of muscle, fascia and tendon of triceps

Header codes like S46.3 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 injury of muscle, fascia and tendon of triceps:

  • S46.30 - Unspecified injury of muscle, fascia and tendon of triceps
  • S46.301 - Unspecified injury of muscle, fascia and tendon of triceps, right arm
  • S46.301A - Unspecified injury of muscle, fascia and tendon of triceps, right arm, initial encounter
  • S46.301D - Unspecified injury of muscle, fascia and tendon of triceps, right arm, subsequent encounter
  • S46.301S - Unspecified injury of muscle, fascia and tendon of triceps, right arm, sequela
  • S46.302 - Unspecified injury of muscle, fascia and tendon of triceps, left arm
  • S46.302A - Unspecified injury of muscle, fascia and tendon of triceps, left arm, initial encounter
  • S46.302D - Unspecified injury of muscle, fascia and tendon of triceps, left arm, subsequent encounter
  • S46.302S - Unspecified injury of muscle, fascia and tendon of triceps, left arm, sequela
  • S46.309 - Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm
  • S46.309A - Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm, initial encounter
  • S46.309D - Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm, subsequent encounter
  • S46.309S - Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm, sequela
  • S46.31 - Strain of muscle, fascia and tendon of triceps
  • S46.311 - Strain of muscle, fascia and tendon of triceps, right arm
  • S46.311A - Strain of muscle, fascia and tendon of triceps, right arm, initial encounter
  • S46.311D - Strain of muscle, fascia and tendon of triceps, right arm, subsequent encounter
  • S46.311S - Strain of muscle, fascia and tendon of triceps, right arm, sequela
  • S46.312 - Strain of muscle, fascia and tendon of triceps, left arm
  • S46.312A - Strain of muscle, fascia and tendon of triceps, left arm, initial encounter
  • S46.312D - Strain of muscle, fascia and tendon of triceps, left arm, subsequent encounter
  • S46.312S - Strain of muscle, fascia and tendon of triceps, left arm, sequela
  • S46.319 - Strain of muscle, fascia and tendon of triceps, unspecified arm
  • S46.319A - Strain of muscle, fascia and tendon of triceps, unspecified arm, initial encounter
  • S46.319D - Strain of muscle, fascia and tendon of triceps, unspecified arm, subsequent encounter
  • S46.319S - Strain of muscle, fascia and tendon of triceps, unspecified arm, sequela
  • S46.32 - Laceration of muscle, fascia and tendon of triceps
  • S46.321 - Laceration of muscle, fascia and tendon of triceps, right arm
  • S46.321A - Laceration of muscle, fascia and tendon of triceps, right arm, initial encounter
  • S46.321D - Laceration of muscle, fascia and tendon of triceps, right arm, subsequent encounter
  • S46.321S - Laceration of muscle, fascia and tendon of triceps, right arm, sequela
  • S46.322 - Laceration of muscle, fascia and tendon of triceps, left arm
  • S46.322A - Laceration of muscle, fascia and tendon of triceps, left arm, initial encounter
  • S46.322D - Laceration of muscle, fascia and tendon of triceps, left arm, subsequent encounter
  • S46.322S - Laceration of muscle, fascia and tendon of triceps, left arm, sequela
  • S46.329 - Laceration of muscle, fascia and tendon of triceps, unspecified arm
  • S46.329A - Laceration of muscle, fascia and tendon of triceps, unspecified arm, initial encounter
  • S46.329D - Laceration of muscle, fascia and tendon of triceps, unspecified arm, subsequent encounter
  • S46.329S - Laceration of muscle, fascia and tendon of triceps, unspecified arm, sequela
  • S46.39 - Other injury of muscle, fascia and tendon of triceps
  • S46.391 - Other injury of muscle, fascia and tendon of triceps, right arm
  • S46.391A - Other injury of muscle, fascia and tendon of triceps, right arm, initial encounter
  • S46.391D - Other injury of muscle, fascia and tendon of triceps, right arm, subsequent encounter
  • S46.391S - Other injury of muscle, fascia and tendon of triceps, right arm, sequela
  • S46.392 - Other injury of muscle, fascia and tendon of triceps, left arm
  • S46.392A - Other injury of muscle, fascia and tendon of triceps, left arm, initial encounter
  • S46.392D - Other injury of muscle, fascia and tendon of triceps, left arm, subsequent encounter
  • S46.392S - Other injury of muscle, fascia and tendon of triceps, left arm, sequela
  • S46.399 - Other injury of muscle, fascia and tendon of triceps, unspecified arm
  • S46.399A - Other injury of muscle, fascia and tendon of triceps, unspecified arm, initial encounter
  • S46.399D - Other injury of muscle, fascia and tendon of triceps, unspecified arm, subsequent encounter
  • S46.399S - Other injury of muscle, fascia and tendon of triceps, unspecified arm, sequela

Information for Patients


Arm Injuries and Disorders

Of the 206 bones in your body, three of them are in your arm: the humerus, radius, and ulna. Your arms are also made up of muscles, joints, tendons, and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall, or an accident.

Types of arm injuries include

You may also have problems or injure specific parts of your arm, such as your hand, wrist, elbow, or shoulder.


[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)