Convert ICD-10-CM F55.2 to ICD-9-CM

ICD-10-CM F55.2 converts approximately to:

2015 ICD-9-CM 305.90 Other, mixed, or unspecified drug abuse, unspecified
or:
2015 ICD-9-CM 305.91 Other, mixed, or unspecified drug abuse, continuous
or:
2015 ICD-9-CM 305.92 Other, mixed, or unspecified drug abuse, episodic
or:
2015 ICD-9-CM 305.93 Other, mixed, or unspecified drug abuse, in remission

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2023 ICD-10-CM CMS General Equivalence Mappings.