S79.9 – Unspecified injury of hip and thigh

ICD-10-CM 2027 diagnosis code · Injuries to the hip and thigh

Non-billable header

ICD-10-CM code S79.9

Code: S79.9 (claims format: S799)
Description: Unspecified injury of hip and thigh
Billable: No – use a more specific code below
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: S70-S79 Injuries to the hip and thigh
Parent codes: S79

Billable codes under S79.9

S79.9 is a header code and cannot be used on claims. Choose the most specific code:

S79.91 – Unspecified injury of hipHeader (more codes below)
S79.92 – Unspecified injury of thighHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

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

Notes for S79.9

7th character note:

The appropriate 7th character is to be added to each code in subcategory S79.9

Notes inherited from parent codes

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

S79 – Other and unspecified injuries of hip and thigh

Notes:

A fracture not indicated as open or closed should be coded to closed

7th character note:

The appropriate 7th character is to be added to each code from subcategories S79.0 and S79.1

Block S70-S79

Excludes2 (not included here):

burns and corrosions (T20-T32)
frostbite (T33-T34)
snake bite (T63.0-)
venomous insect bite or sting (T63.4-)

Related codes in S79

Frequently asked questions

What is ICD-10 code S79.9?

S79.9 is the ICD-10-CM code for unspecified injury of hip and thigh, in the block S70-S79 (Injuries to the hip and thigh).

Is S79.9 a billable code?

No. S79.9 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S79.9 belong to?

It belongs to category S79 – Other and unspecified injuries of hip and thigh.

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.