ICD Code F19.99

ICD code F19.99 is other psychoactive substance use, unspecified, with an unspecified psychoactive substance-induced disorder.

1. Evidence of psychoactive substance use that does not fit into specific substance categories (e.g., not alcohol, opioids, cannabis, etc.).

2. The specific psychoactive substance used is unknown, unspecified, or cannot be determined.

3. Presence of symptoms or behaviors indicating a psychoactive substance-induced disorder, such as mood changes, cognitive impairment, or behavioral disturbances.

4. The substance-induced disorder cannot be classified under a more specific diagnosis due to lack of information about the substance.

5. Clinical presentation does not meet criteria for substance intoxication, withdrawal, or other specified substance-induced disorders related to a known substance.

6. Symptoms are not better explained by a primary mental health disorder or a medical condition unrelated to substance use.

Relevant CPT codes that may be used to treat ICD code F19.99 include:

90791, 90792, 90832, 90834, 90837, 90846, 90847, 90853, 96130, 96131, 96136, 96137, 99202–99205, 99212–99215, H0001, H0004, H0005, H0031, H0032, H2011, H2012, H2014, H2015, H2035, H2036

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