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S52.182A vs S52.182F

S52.182A (Other fracture of upper end of left radius, initial encounter for closed fracture) compared with S52.182F (Other fracture of upper end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing), from the official CMS tabular data. S52.182A and S52.182F code the same injury at a different phase of treatment.

Relationship

Review

Encounter relationship

S52.182A
Initial encounter
Other fracture of upper end of left radius, initial encounter for closed fracture
S52.182F
Subsequent encounter
Other fracture of upper end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC 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. S52.182A and S52.182F 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

S52.182AOther fracture of upper end of left radius, initial encounter for closed fractureS52.182FOther fracture of upper end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC 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)
DefinitionOther fracture of upper end of left radius, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S52.182A).Other fracture of upper end of left radius, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing is a billable ICD-10-CM diagnosis code (S52.182F).
7th characterThe appropriate 7th character is to be added to all codes from category S52The appropriate 7th character is to be added to all codes from category S52

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