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ICD-10-CM F10.10: Alcohol abuse, uncomplicated

F10.10 is the billable ICD-10-CM code for alcohol abuse, uncomplicated, in category F10 (Alcohol related disorders) of the Mental and behavioral disorders due to psychoactive substance use section. As a principal diagnosis it groups to MS-DRG 894 Alcohol, Drug Abuse or Dependence, Left AMA, MS-DRG 895 Alcohol, Drug Abuse or Dependence with Rehabilitation Therapy, MS-DRG 896 Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy with MCC (MDC 20 MDC 20: Alcohol or Drug Use or Induced Organic Mental Disorders). 9 LCD billing and coding articles list it as covered.

Compiled from CMS files by the QuickIntell RCM Editorial Team · Data effective · Method: reference methodology · Report a data correction

Data currency: ICD-10-CM code descriptions: FY2027 (effective October 1, 2026); IPPS Table 5 (MS-DRG weights): v44 FY2027 (final rule + CN3) (effective October 1, 2026); ICD-10-CM to HCC mapping: PY2027 initial ICD-10-CM mappings (dates of service 2026) (payment year 2027); Medicare Coverage Database billing and coding articles: MCD release October 8, 2026 (effective October 4, 2026). Next CMS release: FY2028 code files, effective October 1, 2027 for the ICD-10-CM code descriptions; FY2028 final rule (August 2027), effective October 1, 2027; an April 1 interim grouper update when CMS issues one for the IPPS Table 5 (MS-DRG weights); PY2028 advance notice (February 2027) and the PY2027 midyear final mapping (spring 2027) for the ICD-10-CM to HCC mapping; weekly, every Thursday for the Medicare Coverage Database billing and coding articles.

Code
F10.10
billable FY2027 ICD-10-CM code
Category
F10 Alcohol related disorders
Chapter
5: Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
CC/MCC (MS-DRG v44)
Neither
CMS-HCC V28
Not mapped
POA reporting
Required

Tabular list notes for F10.10

The tabular list has no notes on F10.10 itself; the notes below apply from its parent headings.

Inherited from F10 (Alcohol related disorders)

Use additional code
  • code for blood alcohol level, if applicable (Y90.-)

Inherited from F10.1 (Alcohol abuse)

Excludes1 (never coded together)
  • alcohol dependence (F10.2-)
  • alcohol use, unspecified (F10.9-)

MS-DRG grouping when F10.10 is the principal diagnosis

MS-DRG v44 groups for F10.10 as principal diagnosis
MDCMS-DRGs
20 MDC 20: Alcohol or Drug Use or Induced Organic Mental Disorders894895896897

The final group also depends on procedures, secondary diagnoses and discharge status; the MS-DRG lookup for F10.10 shows the full grouping logic.

CC/MCC status and inpatient edits

F10.10 is neither a CC nor an MCC under MS-DRG v44, so as a secondary diagnosis it does not raise the MS-DRG severity level. Check F10.10 against a principal diagnosis.

  • Present on admission: a POA indicator is required on inpatient claims.

CMS-HCC V28 risk adjustment

F10.10 does not map to a payment HCC in the PY2027 CMS-HCC V28 model, so on its own it does not change a Medicare Advantage risk score.

LCD billing and coding articles that list F10.10

9 current Medicare billing and coding articles list F10.10 among the diagnoses that support medical necessity for the services they cover.

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Frequently asked questions

What does ICD-10-CM F10.10 mean?

F10.10 means alcohol abuse, uncomplicated. It is one of 25 billable codes under F10, alcohol related disorders.

What can't be coded with F10.10?

Excludes1 at F10.1: alcohol dependence (F10.2-); alcohol use, unspecified (F10.9-). These are never reported together with F10.10.

Which MS-DRG does F10.10 group to?

As the principal diagnosis, F10.10 groups to MS-DRG 894 Alcohol, Drug Abuse or Dependence, Left AMA, MS-DRG 895 Alcohol, Drug Abuse or Dependence with Rehabilitation Therapy, MS-DRG 896 Alcohol, Drug Abuse or Dependence without Rehabilitation Therapy with MCC (MDC 20 MDC 20: Alcohol or Drug Use or Induced Organic Mental Disorders) under MS-DRG v44, before procedures and secondary diagnoses are applied.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-10. Verify against the primary file before billing or contracting decisions. The reference methodology explains how each figure is computed from these files.

Disclaimer

The descriptor and notes are reproduced from the FY2027 ICD-10-CM files; MS-DRG, CC/MCC and HCC facts come from the CMS FY2027 and PY2027 tables. Code from the medical record and the ICD-10-CM Official Guidelines. Not legal, clinical or billing advice.

Found a figure that does not match the CMS file? Report a data correction with the CMS file and the value you expected; the request reaches the editorial team through the contact form.