In ICD-10-CM, what do the 7th character extensions A, D, and S signify?

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Multiple Choice

In ICD-10-CM, what do the 7th character extensions A, D, and S signify?

Seventh-character extensions in ICD-10-CM specify the encounter type for injuries and related conditions. A stands for an initial encounter, meaning the patient is receiving active treatment for the condition. D stands for a subsequent encounter, used for follow-up visits during healing or aftercare. S stands for sequela, indicating a condition that results from an injury or disease later on, such as scar formation or long-term impairment. These extensions help convey where the patient is in the treatment trajectory and are used with injury-related codes when a seventh character is required. For example, a fracture coded with the initial-encounter character reflects the first treatment episode; the same fracture with a subsequent-encounter character would be used for follow-up care during healing, and a sequela character would indicate a lasting residual condition resulting from the injury.

Seventh-character extensions in ICD-10-CM specify the encounter type for injuries and related conditions. A stands for an initial encounter, meaning the patient is receiving active treatment for the condition. D stands for a subsequent encounter, used for follow-up visits during healing or aftercare. S stands for sequela, indicating a condition that results from an injury or disease later on, such as scar formation or long-term impairment. These extensions help convey where the patient is in the treatment trajectory and are used with injury-related codes when a seventh character is required. For example, a fracture coded with the initial-encounter character reflects the first treatment episode; the same fracture with a subsequent-encounter character would be used for follow-up care during healing, and a sequela character would indicate a lasting residual condition resulting from the injury.

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