S46.309S – Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm, sequela

ICD-10-CM 2027 diagnosis code · Injuries to the shoulder and upper arm

Billable code

ICD-10-CM code S46.309S

Code: S46.309S (claims format: S46309S)
Description: Unspecified injury of muscle, fascia and tendon of triceps, unspecified arm, sequela
Short description: Unsp injury of musc/fasc/tend triceps, unsp arm, sequela
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: S40-S49 Injuries to the shoulder and upper arm
Parent codes: S46 › S46.3 › S46.30 › S46.309

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care.

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

S46 – Injury of muscle, fascia and tendon at shoulder and upper arm level

Excludes2 (not included here):

injury of muscle, fascia and tendon at elbow (S56.-)
sprain of joints and ligaments of shoulder girdle (S43.9)

Code also:

any associated open wound (S41.-)

7th character note:

The appropriate 7th character is to be added to each code from category S46

Block S40-S49

Includes:

injuries of axilla
injuries of scapular region

Excludes2 (not included here):

burns and corrosions (T20-T32)
frostbite (T33-T34)
injuries of elbow (S50-S59)
insect bite or sting, venomous (T63.4)

Related codes in S46.309

Frequently asked questions

What is ICD-10 code S46.309S?

S46.309S is the ICD-10-CM code for unspecified injury of muscle, fascia and tendon of triceps, unspecified arm, sequela, in the block S40-S49 (Injuries to the shoulder and upper arm).

Is S46.309S a billable code?

Yes. S46.309S is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does S46.309S belong to?

It belongs to category S46 – Injury of muscle, fascia and tendon at shoulder and upper arm level.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.