S49.131A vs S49.139A

S49.131A (Salter-Harris Type III physeal fracture of lower end of humerus, right arm, initial encounter for closed fracture) compared with S49.139A (Salter-Harris Type III physeal fracture of lower end of humerus, unspecified arm, initial encounter for closed fracture), from the official CMS tabular data. S49.131A and S49.139A code the same condition on opposite sides.

Relationship

Review

Laterality relationship

S49.131A

Right

Salter-Harris Type III physeal fracture of lower end of humerus, right arm, initial encounter for closed fracture

↔

S49.139A

Unspecified

Salter-Harris Type III physeal fracture of lower end of humerus, unspecified arm, initial encounter for closed fracture

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. S49.131A and S49.139A name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

	S49.131ASalter-Harris Type III physeal fracture of lower end of humerus, right arm, initial encounter for closed fracture	S49.139ASalter-Harris Type III physeal fracture of lower end of humerus, unspecified arm, initial encounter for closed fracture
Billing status	Billable	Billable
Classification	S00-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)
Definition	Salter-Harris Type III physeal fracture of lower end of humerus, right arm, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S49.131A).	Salter-Harris Type III physeal fracture of lower end of humerus, unspecified arm, initial encounter for closed fracture is a billable ICD-10-CM diagnosis code (S49.139A).
7th character	The appropriate 7th character is to be added to each code from subcategories S49.0 and S49.1	The appropriate 7th character is to be added to each code from subcategories S49.0 and S49.1
Includes	injuries of axilla injuries of scapular region	injuries of axilla injuries of scapular region

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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