Certain ICD-10-CM Categories Require an Extension to Provide Further Specificity

question 78

Multiple Choice

Certain ICD-10-CM categories require an extension to provide further specificity about the condition being coded that is referred to as the:

• A) alpha extension.
• B) specificity classification.
• C) seventh character.
• D) subsequent digit.

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Definitions:

Nail Root

The part of a fingernail or toenail that is embedded in the skin and gives rise to the visible nail.

Arrector Pili

Small muscles attached to hair follicles that, when contracted, cause the hair to stand upright (goosebumps).

Skeletal Muscle

A type of muscle that is attached to bones and is responsible for voluntary movements of the body.

Stratum Lucidum

A thin, clear layer of dead skin cells found in the epidermis, specifically in regions of thick skin like the palms and soles.