S91.309D

S91.309D: Unspecified open wound, unspecified foot, subsequent encounter

Billable / specific codeICD-10-CMPOA exemptunspecified

S91.309D is a billable, specific ICD-10-CM code for unspecified open wound, unspecified foot, subsequent encounter. It is valid for submission on a claim.

Check S91.309D with the rest of the claim: free scrubber

7th character "D": subsequent encounter

The appropriate 7th character is to be added to each code from category S91

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above S91.309D

A category’s note binds every code beneath it.

Written on S91: Open wound of ankle, foot and toes

open fracture of ankle, foot and toes (S92.-with 7th character B)
traumatic amputation of ankle and foot (S98.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S91.309

S91.309AUnspecified open wound, unspecified foot, initial encounter
S91.309SUnspecified open wound, unspecified foot, sequela