S82.853G — Displaced trimalleolar fracture of unspecified lower leg, subsequent encounter for closed fracture with delayed healing

BillableUnspecified

Is S82.853G billable?

Yes, but S82.853G is an unspecified code. S82.853G is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, S82.853G is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting S82.853G — the more specific alternatives are listed below.

More specific alternatives

S82.853G at a glance

Code	S82.853G
Description	Displaced trimalleolar fracture of unspecified lower leg, subsequent encounter for closed fracture with delayed healing
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027
7th character "G"	subsequent encounter for closed fracture with delayed healing

What does the 7th character "G" mean in S82.853G?

In S82.853G, the 7th character G means subsequent encounter for closed fracture with delayed healing. The 7th character is required for S82.853G to be a valid, complete code.

Same condition, different episode of care — switch the 7th character:

Which MS-DRGs does S82.853G group to?

S82.853G sits in MDC 08 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

559Aftercare, Musculoskeletal System and Connective Tissue with MCCmedical
560Aftercare, Musculoskeletal System and Connective Tissue with CCmedical
561Aftercare, Musculoskeletal System and Connective Tissue without CC/MCCmedical

How is S82.853G listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S82.85, the nearest indexed parent of S82.853G. Use them to find the family, then select the specific code.

Fracture, traumatic › ankle › trimalleolar (abduction) (adduction) (separation)
Fracture, traumatic › ankle › trimalleolar › nondisplaced (abduction) (adduction) (separation)

Excludes1 — never code together — inherited from S82

The conditions below can never be reported together with S82.853G on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

traumatic amputation of lower leg (S88.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S82.853G to fully describe the condition. S82.853G is sequenced first.

code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S82.853G, but a patient may have both at the same time. When documentation supports it, S82.853G and the excluded code may both be reported.

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from S80-S89

The conditions below are not part of S82.853G, but a patient may have both at the same time. When documentation supports it, S82.853G and the excluded code may both be reported.

burns and corrosions (T20-T32)
frostbite (T33-T34)
injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
insect bite or sting, venomous (T63.4)

Excludes2 — not included here — inherited from S82

The conditions below are not part of S82.853G, but a patient may have both at the same time. When documentation supports it, S82.853G and the excluded code may both be reported.

fracture of foot, except ankle (S92.-)
periprosthetic fracture around internal prosthetic ankle joint (M97.2)
periprosthetic fracture around internal prosthetic implant of knee joint (M97.1-)

How long has S82.853G existed?

S82.853G has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.