F10.929 ICD-10-CM Code: Alcohol use, unspecified with intoxication, unspecified
HCC Buddy Code Card
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FY 2026 Apr update / Mental, Behavioral and Neurodevelopmental disorders (F01-F99) / Mental and behavioral disorders due to psychoactive substance use (F10-F19)
F10.929
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceAlcohol use, unspecified with intoxication, unspecified
A person uses alcohol and is currently intoxicated, but the specific type or severity of intoxication is not clearly documented.
Buddy Insight
This code captures alcohol unspecified use with unspecified intoxication, documenting an acute episode of alcohol intoxication in a patient with an established pattern of alcohol unspecified use.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
MappedHCC 55
RAF 0.329
ACA/HHS
N/A—
Not mapped
ESRD/PACE
MappedHCC 55
RAF 0.111
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for F10.929 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for F10.929 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for F10.929 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for F10.929 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for F10.929 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for F10.929 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for F10.929 in this effective period.
Buddy Documentation Tip
MEAT Support
Audit Caution
Common Mistakes
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is F10.929 an HCC code?
Yes. F10.929 maps to Substance Use Disorder, Moderate/Severe, or Substance Use with Complications under the V24 model but is not retained in V28.
- Code
- F10.929
- Description
- Alcohol use, unspecified with intoxication, unspecified
- HCC (V28)
- No CMS-HCC V28 mapping
- RAF
- —
- Billable
- Yes
- Payment year
- 2026
HCC Category Mapping
Each model's RAF is its CMS base weight for that model's standard population, so weights are not directly comparable across models: CMS-HCC V28 and V24 use Community, Non-Dual, Aged; ESRD uses the dialysis continuing-enrollee model; RxHCC is the Part D continuing-enrollee, non-low-income, aged weight (a larger scale than CMS-HCC). ACA/HHS has no single weight — it varies by metal level. Actual per-patient RAF contribution depends on member segment, interactions, and the model year used by the payer. V28 is the CMS-HCC model phased in over payment years 2024–2026; V24 remains in use during the transition and for historical data.
Work F10.929 in the Code Book — tabular path, V28 RAF, and MEAT checklist →
MEAT Criteria for F10.929
For F10.929to count as a valid HCC diagnosis in a given encounter, the provider's documentation must show MEAT: Monitor, Evaluate, Assess, or Treat. A diagnosis from a prior year does not carry forward automatically, it has to be re-documented and supported each calendar year.
- MMonitor: signs, symptoms, disease progression, or lab trending documented in the note
- EEvaluate: test results, medication response, or physical findings reviewed by the provider
- AAssess: explicit mention in the assessment or plan with acknowledgment of status
- TTreat: medication, referral, procedure, therapy, or counseling tied to the diagnosis
Only one of M/E/A/T is required to support the code, but the documentation must be specific enough to show that the provider actually addressed F10.929 during that encounter, not just copy-forwarded from a problem list.
Coder workflow notes
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What This Code Means
F10.929 is the ICD-10-CM diagnosis code for alcohol use, unspecified with intoxication, unspecified. A person uses alcohol and is currently intoxicated, but the specific type or severity of intoxication is not clearly documented. F10.929 sits in the ICD-10-CM chapter for mental, behavioral and neurodevelopmental disorders (f01-f99), within the section covering mental and behavioral disorders due to psychoactive substance use (f10-f19).
Under the older CMS-HCC V24 model, F10.929 maps to Substance Use Disorder, Moderate/Severe, or Substance Use with Complications (HCC 55) with a community, non-dual, aged base RAF weight of 0.329. V28 is the CMS-HCC risk adjustment model that reached 100% phase-in for payment year 2026, replacing V24 which was used during the PY2024–PY2025 transition.
Use this code only when intoxication is documented but cannot be classified as uncomplicated or with delirium. Because F10.929 maps to a payment HCC, the provider's documentation must satisfy MEAT criteria (Monitor, Evaluate, Assess, or Treat) for the encounter to count toward the patient's Medicare Advantage risk adjustment score. When documentation is ambiguous, coders should issue a provider query rather than assume the highest-specificity variant.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for F10.929 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •Use this code only when intoxication is documented but cannot be classified as uncomplicated or with delirium
- •Request clarification from the provider if possible to assign a more specific code
Clinical Significance
This code captures alcohol unspecified use with unspecified intoxication, documenting an acute episode of alcohol intoxication in a patient with an established pattern of alcohol unspecified use. Accurate coding of the use level (unspecified use) and intoxication status is critical for tracking substance use severity and ensuring appropriate risk adjustment.
Documentation Requirements
- ✓Documentation of alcohol use — query the provider to specify abuse or dependence for more accurate coding when possible
- ✓Documentation of acute intoxication at the time of the encounter, with clinical findings (e.g., blood alcohol level, slurred speech, impaired coordination)
- ✓Assessment and plan addressing alcohol use disorder with treatment recommendations (counseling, medication-assisted treatment, referral, etc.)
Commonly Confused Codes
- •F10.1x: Alcohol abuse; if documentation supports abuse, code abuse instead of unspecified use
- •F10.2x: Alcohol dependence; if documentation supports dependence, code dependence instead of unspecified use
- •Z72.89: Other problems related to lifestyle (includes social drinking); use for non-problematic alcohol use without a disorder