2021 ICD-10-CM Code S46.30

Unspecified injury of muscle, fascia and tendon of triceps

Version 2021

Not Valid for Submission

S46.30 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of unspecified injury of muscle, fascia and tendon of triceps. 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.

Unspecified diagnosis codes like S46.30 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:S46.30
Short Description:Unspecified injury of muscle, fascia and tendon of triceps
Long Description:Unspecified injury of muscle, fascia and tendon of triceps

Code Classification

Coding Guidelines

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

Specific Coding for Unspecified injury of muscle, fascia and tendon of triceps

Non-specific codes like S46.30 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 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
  • BILLABLE CODE - Use S46.301A for initial encounter
  • BILLABLE CODE - Use S46.301D for subsequent encounter
  • BILLABLE CODE - Use S46.301S for sequela
  • NON-BILLABLE CODE - S46.302 for Unspecified injury of muscle, fascia and tendon of triceps, left arm
  • BILLABLE CODE - Use S46.302A for initial encounter
  • BILLABLE CODE - Use S46.302D for subsequent encounter
  • BILLABLE CODE - Use S46.302S for sequela
  • NON-BILLABLE CODE - S46.309 for Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm
  • BILLABLE CODE - Use S46.309A for initial encounter
  • BILLABLE CODE - Use S46.309D for subsequent encounter
  • BILLABLE CODE - Use S46.309S for sequela

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 S46.30 are found in the index:

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)