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S96.219A vs S96.219D

S96.219A (Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, initial encounter) compared with S96.219D (Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, subsequent encounter), from the official CMS tabular data. S96.219A and S96.219D code the same injury at a different phase of treatment.

Relationship

Review

Encounter relationship

S96.219A
Initial encounter
Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, initial encounter
S96.219D
Subsequent encounter
Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, 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. S96.219A and S96.219D 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

S96.219AStrain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, initial encounterS96.219DStrain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, 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)
DefinitionStrain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, initial encounter is a billable ICD-10-CM diagnosis code (S96.219A).Strain of intrinsic muscle and tendon at ankle and foot level, unspecified foot, subsequent encounter is a billable ICD-10-CM diagnosis code (S96.219D).
7th characterThe appropriate 7th character is to be added to each code from category S96The appropriate 7th character is to be added to each code from category S96

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