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ICD-10-CM Current in FY 2027

S82.55XN

Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where S82.55XN sits in the official hierarchy. Each level is the code it is classified under.

  1. S82 Fracture of lower leg, including ankle
  2. S82.5 Fracture of medial malleolus
  3. S82.55 Parent Nondisplaced fracture of medial malleolus of left tibia
  4. S82.55XN This code Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

fracture of malleolus

Inherited from S82 — Fracture of lower leg, including ankle

Excludes1

pilon fracture of distal tibia ( S82.87- )

Inherited from S82.5 — Fracture of medial malleolus

Excludes1

Salter-Harris type III of lower end of tibia ( S89.13- )

Inherited from S82.5 — Fracture of medial malleolus

Excludes1

Salter-Harris type IV of lower end of tibia ( S89.14- )

Inherited from S82.5 — Fracture of medial malleolus

Excludes1

traumatic amputation of lower leg ( S88 .-)

Inherited from S82 — Fracture of lower leg, including ankle

Excludes2

fracture of foot, except ankle ( S92 .-)

Inherited from S82 — Fracture of lower leg, including ankle

Excludes2

periprosthetic fracture around internal prosthetic ankle joint ( M97.2 )

Inherited from S82 — Fracture of lower leg, including ankle

Excludes2

periprosthetic fracture around internal prosthetic implant of knee joint ( M97.1- )

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

The appropriate 7th character is to be added to all codes from category S82

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

A - initial encounter for closed fracture

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

B - initial encounter for open fracture type I or II

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

C - initial encounter for open fracture type IIIA, IIIB, or IIIC

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

D - subsequent encounter for closed fracture with routine healing

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

E - subsequent encounter for open fracture type I or II with routine healing

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

F - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

G - subsequent encounter for closed fracture with delayed healing

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

H - subsequent encounter for open fracture type I or II with delayed healing

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

J - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

K - subsequent encounter for closed fracture with nonunion

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

M - subsequent encounter for open fracture type I or II with nonunion

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

N - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

P - subsequent encounter for closed fracture with malunion

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

Q - subsequent encounter for open fracture type I or II with malunion

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

R - subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion

Inherited from S82 — Fracture of lower leg, including ankle

7th Character

S - sequela

Inherited from S82 — Fracture of lower leg, including ankle

Version History

How S82.55XN appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

  2. FY 2026 Effective

    Unchanged

    Nondisplaced fracture of medial malleolus of left tibia, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

Related Codes

Other codes under S82.55

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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