S72.122N — Displaced fracture of lesser trochanter of left femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

BillableCC

Is S72.122N billable?

Yes — S72.122N is billable for FY2027. S72.122N is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. S72.122N may be submitted for encounters from October 1, 2026 through September 30, 2027.

S72.122N at a glance

Code	S72.122N
Description	Displaced fracture of lesser trochanter of left femur, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027
7th character "N"	subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion

What does the 7th character "N" mean in S72.122N?

In S72.122N, the 7th character N means subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion. The 7th character is required for S72.122N to be a valid, complete code.

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

Which MS-DRGs does S72.122N group to?

S72.122N sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

521Hip Replacement with Principal Diagnosis of Hip Fracture with MCCsurgical
522Hip Replacement with Principal Diagnosis of Hip Fracture without MCCsurgical

As a secondary diagnosis, S72.122N is a complication or comorbidity (CC), which can move a stay into a higher-paying DRG.

How is S72.122N listed in the Alphabetic Index?

The Alphabetic Index lists these routes under S72.12, the nearest indexed parent of S72.122N. Use them to find the family, then select the specific code.

Fracture, traumatic › femur, femoral › trochanteric › lesser trochanter (abduction) (adduction) (separation)
Fracture, traumatic › femur, femoral › trochanteric › lesser trochanter › nondisplaced (abduction) (adduction) (separation)
Fracture, traumatic › femur, femoral › upper end › trochanteric › lesser (abduction) (adduction) (separation)
Fracture, traumatic › femur, femoral › upper end › trochanteric › lesser › nondisplaced (abduction) (adduction) (separation)

Excludes1 — never code together — inherited from S72

The conditions below can never be reported together with S72.122N 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 hip and thigh (S78.-)

Use additional code — inherited from Chapter 19

Report an additional code alongside S72.122N to fully describe the condition. S72.122N 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 S72.122N, but a patient may have both at the same time. When documentation supports it, S72.122N and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from S70-S79

The conditions below are not part of S72.122N, but a patient may have both at the same time. When documentation supports it, S72.122N and the excluded code may both be reported.

burns and corrosions (T20-T32)
frostbite (T33-T34)
snake bite (T63.0-)
venomous insect bite or sting (T63.4-)

Excludes2 — not included here — inherited from S72

The conditions below are not part of S72.122N, but a patient may have both at the same time. When documentation supports it, S72.122N and the excluded code may both be reported.

fracture of lower leg and ankle (S82.-)
fracture of foot (S92.-)
periprosthetic fracture of prosthetic implant of hip (M97.0-)

How long has S72.122N existed?

S72.122N 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.