Unsp physeal fx lower end of humerus, unsp arm, init

This code signifies a fracture of the growth plate (physis) at the distal end of the humerus, where the specific type of physeal injury is not documented. It indicates that the fracture's laterality (left or right arm) is unknown, and it represents the initial treatment for a fracture that has not broken through the skin.

This code is appropriate when a pediatric patient presents with a suspected or confirmed distal humeral physeal fracture, but the medical record lacks details regarding the Salter-Harris classification or the affected arm. It is used for the initial encounter for treatment of a closed fracture where further specificity is unavailable.

• Only use this code when the documentation explicitly states "unspecified" for the physeal fracture type and arm.
• Ensure the encounter is for the initial treatment of the fracture; subsequent care will require a different seventh character.
• Avoid using this code if a more specific Salter-Harris type (e.g., S49.11- to S49.14-) or laterality (e.g., S49.101A for right arm) is documented.