S92.819K Other fracture of unspecified foot, subsequent encounter for fracture with nonunion

Billable ICD-10-CM code, FY2026.

Built from S92.819 with 7th character K (subsequent encounter for fracture with nonunion).

Applies from S92 Fracture of foot and toe, except ankle

Excludes2 (not included here)

• fracture of ankle (S82.-)
• fracture of malleolus (S82.-)
• traumatic amputation of ankle and foot (S98.-)

7th character note

• The appropriate 7th character is to be added to each code from category S92

Notes

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

7th character required

• 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

Applies from S92.81 Other fracture of foot

Applicable to

• Sesamoid fracture of foot

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to S92.819K

Back-references to S92

• Type 1 Excludes: M84.3 Stress fracture ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
• Type 1 Excludes: M84.4 Pathological fracture, not elsewhere classified ("traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)")
• Type 2 Excludes: S72 Fracture of femur ("fracture of foot (S92.-)")
• Type 2 Excludes: S82 Fracture of lower leg, including ankle ("fracture of foot, except ankle (S92.-)")
• Type 1 Excludes: S91 Open wound of ankle, foot and toes ("open fracture of ankle, foot and toes (S92.-with 7th character B)")

Nearby codes

• S92.819 Other fracture of unspecified foot
• S92.819A Other fracture of unspecified foot, initial encounter for closed fracture
• S92.819B Other fracture of unspecified foot, initial encounter for open fracture
• S92.819D Other fracture of unspecified foot, subsequent encounter for fracture with routine healing
• S92.819G Other fracture of unspecified foot, subsequent encounter for fracture with delayed healing
• S92.819K Other fracture of unspecified foot, subsequent encounter for fracture with nonunion (this code)
• S92.819P Other fracture of unspecified foot, subsequent encounter for fracture with malunion
• S92.819S Other fracture of unspecified foot, sequela
• S92.9 Unspecified fracture of foot and toe
• S92.90 Unspecified fracture of foot
• S92.901 Unspecified fracture of right foot