Z50.2 ICD-10-CM

ICD-10-CM code Z50.2 describes alcoholism and drug abuse rehabilitation. Rehabilitation services for alcohol and substance use disorders. It is a billable, specific code valid for claim submission. It is grouped under the “Factors Influencing Health (Z Codes)” section of the mental, behavioral, and neurodevelopmental disorders chapter.

When to use Z50.2

Z codes report encounters and circumstances that affect health but are not themselves illnesses, such as screening visits, counseling encounters, and psychosocial stressors. Use them as primary or secondary codes to capture context that supports medical necessity. For Z50.2 specifically, rehabilitation services for alcohol and substance use disorders.

Documentation & billing

Document the reason for the encounter or the specific psychosocial circumstance. Pair a Z code with a diagnosis code when a condition is also present.

Common pitfalls

• Using a Z code as the only diagnosis when a mental health condition is documented.
• Confusing a screening encounter (Z13.3-) with an established diagnosis.
• Omitting psychosocial stressors that support the treatment plan.

Common search terms for Z50.2

Clinicians often look up Z50.2 using plain-language terms. This code maps to:

Frequently asked questions