2024 ICD-10-CM Diagnosis Code S46.299

Other injury of muscle, fascia and tendon of other parts of biceps, unspecified arm

ICD-10-CM Code:
S46.299
ICD-10 Code for:
Inj muscle, fascia and tendon of oth prt biceps, unsp arm
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)

S46.299 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of other injury of muscle, fascia and tendon of other parts of biceps, unspecified arm. 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.

Unspecified diagnosis codes like S46.299 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.

Specific Coding Applicable to Inj muscle, fascia and tendon of oth prt biceps, unsp arm

Non-specific codes like S46.299 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 inj muscle, fascia and tendon of oth prt biceps, unsp arm:

  • Use S46.299A for initial encounter - BILLABLE CODE

  • Use S46.299D for subsequent encounter - BILLABLE CODE

  • Use S46.299S for sequela - BILLABLE CODE

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Enthesopathy of shoulder region
  • Enthesopathy of shoulder region
  • Enthesopathy of shoulder region
  • Partial division of short head of biceps brachii tendon
  • Rupture of tendon of elbow
  • Tear of distal tendon of biceps brachii
  • Traumatic complete division of both heads of biceps brachii tendon
  • Traumatic complete division of long head of biceps brachii tendon
  • Traumatic complete division of short head of biceps brachii tendon

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.