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S82.311A vs S82.311D

S82.311A (Torus fracture of lower end of right tibia, initial encounter for closed fracture) compared with S82.311D (Torus fracture of lower end of right tibia, subsequent encounter for fracture with routine healing), from the official CMS tabular data. S82.311A and S82.311D code the same injury at a different phase of treatment.

Relationship

Review

Encounter relationship

S82.311A
Initial encounter
Torus fracture of lower end of right tibia, initial encounter for closed fracture
S82.311D
Subsequent encounter
Torus fracture of lower end of right tibia, subsequent encounter for fracture with routine healing

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. S82.311A and S82.311D 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

S82.311ATorus fracture of lower end of right tibia, initial encounter for closed fractureS82.311DTorus fracture of lower end of right tibia, subsequent encounter for fracture with routine healing
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)
DefinitionTorus fracture of lower end of right tibia, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S82.311A).Torus fracture of lower end of right tibia, subsequent encounter for fracture with routine healing is a billable ICD-10-CM diagnosis code (S82.311D).
7th characterThe appropriate 7th character is to be added to all codes in subcategory S82.31The appropriate 7th character is to be added to all codes in subcategory S82.31
Includes
fracture of malleolus
fracture of malleolus

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