S71.10 – Unspecified open wound of thigh

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

Non-billable header

ICD-10-CM code S71.10

Code: S71.10 (claims format: S7110)
Description: Unspecified open wound of 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: S71 › S71.1

Billable codes under S71.10

S71.10 is a header code and cannot be used on claims. Choose the most specific code:

S71.101 – Unspecified open wound, right thighHeader (more codes below)
S71.102 – Unspecified open wound, left thighHeader (more codes below)
S71.109 – Unspecified open wound, unspecified 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 inherited from parent codes

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

S71 – Open wound of hip and thigh

Excludes1 (not coded here):

open fracture of hip and thigh (S72.-)
traumatic amputation of hip and thigh (S78.-)

Excludes2 (not included here):

bite of venomous animal (T63.-)
open wound of ankle, foot and toes (S91.-)
open wound of knee and lower leg (S81.-)

Code also:

any associated wound infection

7th character note:

The appropriate 7th character is to be added to each code from category S71

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-)

Index terms for S71.10

Entries in the ICD-10-CM alphabetic index that lead to this code:

Wound, open, thigh

Related codes in S71.1

Frequently asked questions

What is ICD-10 code S71.10?

S71.10 is the ICD-10-CM code for unspecified open wound of thigh, in the block S70-S79 (Injuries to the hip and thigh).

Is S71.10 a billable code?

No. S71.10 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S71.10 belong to?

It belongs to category S71 – Open wound 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.