Skip to content
HCC Buddy home

HCC Buddy Code Book

Skip to code book content
HCC Buddy
HCC Buddy
Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01

Index trail

Alcohol dependence

See Tabular List: F10.21

F10, Alcohol related disorders

F10.2, Alcohol dependence

F10.21, Alcohol dependence, in remission

Selected code, source checked for the selected effective period

Commonly confused codes

official source

Not listed for this effective period.

Code details and official notes

F10.21

Alcohol dependence, in remission

Open the shareable code page for F10.21→
billableHCC mapped

Includes

official source
  • Alcohol use disorder, moderate, in early remission
  • Alcohol use disorder, moderate, in sustained remission
  • Alcohol use disorder, severe, in early remission
  • Alcohol use disorder, severe, in sustained remission

Excludes 1

official source
  • alcohol abuse (F10.1-)
  • alcohol use, unspecified (F10.9-)

Excludes 2

official source
  • toxic effect of alcohol (T51.0-)

Code First

official source

Not listed for this effective period.

Use Additional

official source

Not listed for this effective period.

Code Also

official source

Not listed for this effective period.

7th character

official source

Not listed for this code in the selected Tabular payload.

Placeholder X

official source

Not listed for this code in the selected Tabular payload.

Laterality

official source

No laterality instruction is listed for this code in the selected Tabular payload.

Effective period

source required
  • FY2026 Apr update
  • Source year 2026
  • Updated 2026-04-01
  • HCC Buddy public API
HCC Buddy
HCC Buddy
Alphabetic Index and Tabular path
HCC Buddy public API, FY2026 Apr updateSource load source requiredSource year 2026Updated 2026-04-01

Index trail

Alcohol dependence

See Tabular List: F10.21

F10, Alcohol related disorders

F10.2, Alcohol dependence

F10.21, Alcohol dependence, in remission

Selected code, source checked for the selected effective period

Commonly confused codes

official source

Not listed for this effective period.

Code details and official notes

F10.21

Alcohol dependence, in remission

Open the shareable code page for F10.21→
billableHCC mapped

Includes

official source
  • Alcohol use disorder, moderate, in early remission
  • Alcohol use disorder, moderate, in sustained remission
  • Alcohol use disorder, severe, in early remission
  • Alcohol use disorder, severe, in sustained remission

Excludes 1

official source
  • alcohol abuse (F10.1-)
  • alcohol use, unspecified (F10.9-)

Excludes 2

official source
  • toxic effect of alcohol (T51.0-)

Code First

official source

Not listed for this effective period.

Use Additional

official source

Not listed for this effective period.

Code Also

official source

Not listed for this effective period.

7th character

official source

Not listed for this code in the selected Tabular payload.

Placeholder X

official source

Not listed for this code in the selected Tabular payload.

Laterality

official source

No laterality instruction is listed for this code in the selected Tabular payload.

Effective period

source required
  • FY2026 Apr update
  • Source year 2026
  • Updated 2026-04-01
  • HCC Buddy public API
HCC Buddy Insights

HCC Mapping

HCC 139 Alcohol Use Disorder, Moderate/Severe, or Alcohol Use with Specified Non-Psychotic Complications (V28)HCC 55 Substance Use Disorder, Moderate/Severe, or Substance Use with Complications (V24)RxHCC source requiredHCC 55 Substance Use Disorder, Moderate/Severe, or Substance Use with Complications (ESRD/PACE)HCC 84 HHS-HCC 84; HHS-HCC 2026 benefit year (HHS-HCC)

RAF Value

V28: RAF: 0.242V24: RAF: 0.329RxHCC RAF source requiredESRD/PACE: RAF: 0.111HHS-HCC: RAF: Varies by metal level

Model Period

FY2026 Apr update

Source

source required

Audit Caution

Close codes need documentation support before selection. Do not assume relationships.
Reviewed by the HCC Buddy Coding Team

HCC Buddy workflow band

HCC mapping, RAF, MEAT, source trail, and audit caution stay in view.

MEAT supportaudit cautionsource required

V28

HCC 139

Alcohol Use Disorder, Moderate/Severe, or Alcohol Use with Specified Non-Psychotic Complications

RAF: 0.242

V24

HCC 55

Substance Use Disorder, Moderate/Severe, or Substance Use with Complications

RAF: 0.329

ESRD/PACE

HCC 55

Substance Use Disorder, Moderate/Severe, or Substance Use with Complications

RAF: 0.111

HHS-HCC

HCC 84

HHS-HCC 84; HHS-HCC 2026 benefit year

RAF: Varies by metal level

MEAT checklist

Reviewed by the HCC Buddy Coding Team

Monitor, Evaluate, Assess, or Treat must be supported in the provider note.

HCC Buddy guidance, not official ICD-10-CM text.

Audit caution

Reviewed by the HCC Buddy Coding Team

Close codes need documentation support before selection. Do not assume relationships.

HCC Buddy guidance, not official ICD-10-CM text.

Reviewer sign-off

Reviewed by the HCC Buddy Coding Team

MEAT, documentation support, audit cautions, and close-code guidance are reviewed and approved for this effective period.

HCC Buddy enrichment is separate from official source text.

Last updated: April 1, 2026 · Not a substitute for official coding guidelines. No PHI or patient data.
HCC Buddy Code Card
FY 2026 Apr update
F10.21Billable

Alcohol dependence, in remission

CMS-HCC V28

HCC 139

RAF 0.242

CMS-HCC V24

HCC 55

RAF 0.329

ESRD/PACE

HCC 55

RAF 0.111

Reviewed by the HCC Buddy Coding TeamFY2026 Apr update

Code

F10.21

V28 HCC

HCC 139

RAF

0.242

Compare tray

Add close codes to compare documentation differences.