Is F12.20 a billable ICD-10-CM code?

Yes. F12.20 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does F12.20 sit in the tabular list?

Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mental and behavioral disorders due to psychoactive substance use (F10-F19).

What cannot be coded together with F12.20?

F12.20 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above F12.20 (F12.2) and apply to it just the same.

F12.20

F12.20 — Cannabis dependence, uncomplicated

Billable / specific codeICD-10-CM

F12.20 is a billable, specific ICD-10-CM code for cannabis dependence, uncomplicated. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Cannabis use disorder, moderate
Cannabis use disorder, severe

Excludes1 inherited from the categories above F12.20

These are not written on F12.20, but they bind it: a note on a category applies to every code beneath it. Billing F12.20 with anything listed here is a denial.

Written on F12.2 — Cannabis dependence

cannabis abuse (F12.1-)
cannabis use, unspecified (F12.9-)

Excludes2 inherited from the categories above F12.20

Also inherited, and the opposite of Excludes1: these conditions are not part of F12.20, but a patient can have both, so you may code both.

Written on F12.2 — Cannabis dependence

cannabis poisoning (T40.7-)

Risk adjustment

F12.20 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 137 Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications0.424 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

F12.20 is named in 15 Medicare coverage policies — 13 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
A59718Billing and Coding: Opioid Treatment Programsnot covered
A54799Billing and Coding: Urine Drug Testing
A55001Billing and Coding: Urine Drug Testing

How F12.20 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F12.20.

Dependence›drug NEC›cannabis
Disorder›cannabis use›moderate or severe

Code history

F12.20 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share F12.2. If F12.20 is not quite right, the correct code is usually one of these.

Questions about F12.20

Is F12.20 a billable ICD-10-CM code?: Yes. F12.20 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does F12.20 sit in the tabular list?: Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mental and behavioral disorders due to psychoactive substance use (F10-F19).
What cannot be coded together with F12.20?: F12.20 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above F12.20 (F12.2) and apply to it just the same.