MCMedicalCodingSoftware
S99.101K

S99.101K: Unspecified physeal fracture of right metatarsal, subsequent encounter for fracture with nonunion

Billable / specific codeICD-10-CMPOA exemptright

S99.101K is a billable, specific ICD-10-CM code for unspecified physeal fracture of right metatarsal, subsequent encounter for fracture with nonunion. It is valid for submission on a claim.

Check S99.101K with the rest of the claim: free scrubber

7th character "K": subsequent encounter for fracture with nonunion

The appropriate 7th character is to be added to each code from subcategories S99.1

A
initial encounter for closed fracture
B
initial encounter for open fracture
D
subsequent encounter for fracture with routine healing
G
subsequent encounter for fracture with delayed healing
K
subsequent encounter for fracture with nonunion
P
subsequent encounter for fracture with malunion
S
sequela

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 S99.101

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.