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S72.22XA vs S72.22XM

S72.22XA (Displaced subtrochanteric fracture of left femur, initial encounter for closed fracture) compared with S72.22XM (Displaced subtrochanteric fracture of left femur, subsequent encounter for open fracture type I or II with nonunion), from the official CMS tabular data. S72.22XA and S72.22XM code the same injury at a different phase of treatment. MedCoder-derived

Relationship

Review

Encounter relationship

S72.22XA
Initial encounter
Displaced subtrochanteric fracture of left femur, initial encounter for closed fracture
S72.22XM
Subsequent encounter
Displaced subtrochanteric fracture of left femur, subsequent encounter for open fracture type I or II with nonunion

Same underlying diagnosis, different encounter phase.

The 7th character records the phase of care for the encounter being coded, so a single encounter takes one of these characters, not several. Review whether both phases belong on the same episode of care.

Source: ICD-10-CM Official Guidelines, Section I.C.19.a

Can these codes be reported together?

Same injury, other encounter phase. S72.22XA and S72.22XM code the same injury at a different phase of treatment, set by the 7th character.

The 7th character records the type of care given at the encounter being coded (ICD-10-CM Official Guidelines, Section I.C.19.a), so one encounter takes one of these, not both.

Side by side

S72.22XADisplaced subtrochanteric fracture of left femur, initial encounter for closed fractureS72.22XMDisplaced subtrochanteric fracture of left femur, subsequent encounter for open fracture type I or II with nonunion
Billing statusBillableBillable
ClassificationS00-T88 — Injury, poisoning and certain other consequences of external causesS00-T88 — Injury, poisoning and certain other consequences of external causes
DefinitionDisplaced subtrochanteric fracture of left femur, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S72.22A).Displaced subtrochanteric fracture of left femur, subsequent encounter for open fracture type I or II with nonunion is a billable ICD-10-CM diagnosis code (S72.22M).
7th characterThe appropriate 7th character is to be added to all codes from category S72The appropriate 7th character is to be added to all codes from category S72

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources