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S59.022A vs S59.022G

S59.022A (Salter-Harris Type II physeal fracture of lower end of ulna, left arm, initial encounter for closed fracture) compared with S59.022G (Salter-Harris Type II physeal fracture of lower end of ulna, left arm, subsequent encounter for fracture with delayed healing), from the official CMS tabular data. S59.022A and S59.022G code the same injury at a different phase of treatment.

Relationship

Review

Encounter relationship

S59.022A
Initial encounter
Salter-Harris Type II physeal fracture of lower end of ulna, left arm, initial encounter for closed fracture
S59.022G
Subsequent encounter
Salter-Harris Type II physeal fracture of lower end of ulna, left arm, subsequent encounter for fracture with delayed 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. S59.022A and S59.022G 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

S59.022ASalter-Harris Type II physeal fracture of lower end of ulna, left arm, initial encounter for closed fractureS59.022GSalter-Harris Type II physeal fracture of lower end of ulna, left arm, subsequent encounter for fracture with delayed 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)
DefinitionSalter-Harris Type II physeal fracture of lower end of ulna, left arm, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S59.022A).Salter-Harris Type II physeal fracture of lower end of ulna, left arm, subsequent encounter for fracture with delayed healing is a billable ICD-10-CM diagnosis code (S59.022G).
7th characterThe appropriate 7th character is to be added to each code from subcategories S59.0, S59.1, and S59.2The appropriate 7th character is to be added to each code from subcategories S59.0, S59.1, and S59.2

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