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  6. 2024 ICD-10-CM Code S46.3
Version 2024
Non-Billable Code

2024 ICD-10-CM Diagnosis Code S46.3

Injury of muscle, fascia and tendon of triceps

ICD-10-CM Code:
S46.3
ICD-10 Code for:
Injury of muscle, fascia and tendon of triceps
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Injury, poisoning and certain other consequences of external causes
    (S00–T88)
    • Injuries to the shoulder and upper arm
      (S40-S49)
      • Injury of muscle, fascia and tendon at shoulder and upper arm level
        (S46)

S46.3 is a non-specific 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 specific and is NOT valid for the year 2024 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.

Specific Coding Applicable to Injury of muscle, fascia and tendon of triceps

Non-specific codes like S46.3 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for injury of muscle, fascia and tendon of triceps:

  • S46.30 for Unspecified injury of muscle, fascia and tendon of triceps - NON-BILLABLE CODE

  • S46.301 for Unspecified injury of muscle, fascia and tendon of triceps, right arm - NON-BILLABLE CODE

  • Use S46.301A for initial encounter - BILLABLE CODE

  • Use S46.301D for subsequent encounter - BILLABLE CODE

  • Use S46.301S for sequela - BILLABLE CODE

  • S46.302 for Unspecified injury of muscle, fascia and tendon of triceps, left arm - NON-BILLABLE CODE

  • Use S46.302A for initial encounter - BILLABLE CODE

  • Use S46.302D for subsequent encounter - BILLABLE CODE

  • Use S46.302S for sequela - BILLABLE CODE

  • S46.309 for Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm - NON-BILLABLE CODE

  • Use S46.309A for initial encounter - BILLABLE CODE

  • Use S46.309D for subsequent encounter - BILLABLE CODE

  • Use S46.309S for sequela - BILLABLE CODE

  • S46.31 for Strain of muscle, fascia and tendon of triceps - NON-BILLABLE CODE

  • S46.311 for Strain of muscle, fascia and tendon of triceps, right arm - NON-BILLABLE CODE

  • Use S46.311A for initial encounter - BILLABLE CODE

  • Use S46.311D for subsequent encounter - BILLABLE CODE

  • Use S46.311S for sequela - BILLABLE CODE

  • S46.312 for Strain of muscle, fascia and tendon of triceps, left arm - NON-BILLABLE CODE

  • Use S46.312A for initial encounter - BILLABLE CODE

  • Use S46.312D for subsequent encounter - BILLABLE CODE

  • Use S46.312S for sequela - BILLABLE CODE

  • S46.319 for Strain of muscle, fascia and tendon of triceps, unspecified arm - NON-BILLABLE CODE

  • Use S46.319A for initial encounter - BILLABLE CODE

  • Use S46.319D for subsequent encounter - BILLABLE CODE

  • Use S46.319S for sequela - BILLABLE CODE

  • S46.32 for Laceration of muscle, fascia and tendon of triceps - NON-BILLABLE CODE

  • S46.321 for Laceration of muscle, fascia and tendon of triceps, right arm - NON-BILLABLE CODE

  • Use S46.321A for initial encounter - BILLABLE CODE

  • Use S46.321D for subsequent encounter - BILLABLE CODE

  • Use S46.321S for sequela - BILLABLE CODE

  • S46.322 for Laceration of muscle, fascia and tendon of triceps, left arm - NON-BILLABLE CODE

  • Use S46.322A for initial encounter - BILLABLE CODE

  • Use S46.322D for subsequent encounter - BILLABLE CODE

  • Use S46.322S for sequela - BILLABLE CODE

  • S46.329 for Laceration of muscle, fascia and tendon of triceps, unspecified arm - NON-BILLABLE CODE

  • Use S46.329A for initial encounter - BILLABLE CODE

  • Use S46.329D for subsequent encounter - BILLABLE CODE

  • Use S46.329S for sequela - BILLABLE CODE

  • S46.39 for Other injury of muscle, fascia and tendon of triceps - NON-BILLABLE CODE

  • S46.391 for Other injury of muscle, fascia and tendon of triceps, right arm - NON-BILLABLE CODE

  • Use S46.391A for initial encounter - BILLABLE CODE

  • Use S46.391D for subsequent encounter - BILLABLE CODE

  • Use S46.391S for sequela - BILLABLE CODE

  • S46.392 for Other injury of muscle, fascia and tendon of triceps, left arm - NON-BILLABLE CODE

  • Use S46.392A for initial encounter - BILLABLE CODE

  • Use S46.392D for subsequent encounter - BILLABLE CODE

  • Use S46.392S for sequela - BILLABLE CODE

  • S46.399 for Other injury of muscle, fascia and tendon of triceps, unspecified arm - NON-BILLABLE CODE

  • Use S46.399A for initial encounter - BILLABLE CODE

  • Use S46.399D for subsequent encounter - BILLABLE CODE

  • Use S46.399S for sequela - BILLABLE CODE

Coding Guidelines

The appropriate 7th character is to be added to each code from block Injury of muscle, fascia and tendon at shoulder and upper arm level (S46). Use the following options for the aplicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Patient Education


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 :

  • Tendinitis and bursitis
  • Sprains
  • Dislocations
  • Fractures (broken bones)
  • Nerve problems
  • Osteoarthritis

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 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • 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. This was the first year ICD-10-CM was implemented into the HIPAA code set.