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S74.92XA vs S74.92XD

S74.92XA (Injury of unspecified nerve at hip and thigh level, left leg, initial encounter) compared with S74.92XD (Injury of unspecified nerve at hip and thigh level, left leg, subsequent encounter), from the official CMS tabular data. S74.92XA and S74.92XD code the same injury at a different phase of treatment.

Relationship

Review

Encounter relationship

S74.92XA
Initial encounter
Injury of unspecified nerve at hip and thigh level, left leg, initial encounter
↔
S74.92XD
Subsequent encounter
Injury of unspecified nerve at hip and thigh level, left leg, subsequent encounter

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. S74.92XA and S74.92XD 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

S74.92XAInjury of unspecified nerve at hip and thigh level, left leg, initial encounterS74.92XDInjury of unspecified nerve at hip and thigh level, left leg, subsequent encounter
Billing statusBillableBillable
ClassificationS00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88)
DefinitionInjury of unspecified nerve at hip and thigh level, left leg, initial encounter is a billable ICD-10-CM diagnosis code (S74.92A).Injury of unspecified nerve at hip and thigh level, left leg, subsequent encounter is a billable ICD-10-CM diagnosis code (S74.92D).
7th characterThe appropriate 7th character is to be added to each code from category S74The appropriate 7th character is to be added to each code from category S74
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources