NC Medicaid Ambulatory Withdrawal Management Without Extended On‑Site Monitoring
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Defines NC Medicaid coverage, eligibility, and specific clinical criteria for outpatient (ASAM Level 1) ambulatory withdrawal management services without extended on‑site monitoring for beneficiaries enrolled in NC Medicaid.
Added language allowing 'equivalent federally recognized tribal code or Indian Health Services regulations' as alternatives to specified state rules.
Replaced references to prior approval/authorization and 'active authorization period' with 'episode of care' and removed authorization/utilization management language to align with CFR § 438.900.
Specified facility hours: minimum 8 hours/day weekdays, 4 hours/day weekends, and admission availability seven days/week with 24-hour access to emergency medical consultation.
Attachment A: Claims-Related Information was included and updated with billing, coding, and reimbursement guidance.
Coverage Criteria and Program Requirements
inv-01: Specific Criteria Covered by Medicaid
Covered when ALL of the following are met:
ASAM Level 1 indicates minimal risk of severe withdrawal and suitability for outpatient management
inv-02: General Criteria Covered
Covered when ALL of the following general medical necessity criteria are met:
inv-03: Specific Coverage Criteria
Covered when ALL of the following are met
inv-04: Continued Stay and Discharge Criteria
Continued stay and discharge logic
inv-05: Program eligibility and required components
Service must be delivered by qualified providers and organizations and contain ALL required program components:
Includes allowance for equivalent federally recognized tribal code or IHS regulations where specified.
Evaluation & Management, therapy, and lab/tox tests are billed separately.
inv-06: Staffing, qualifications, and responsibilities
All listed staff roles must meet minimum qualifications and perform the specified responsibilities:
inv-07: Staff training requirements
All staff must complete specified training within the stated timeframes (may be waived if equivalent training completed within prior 48 months):
Initial training may be waived if staff documented equivalent training within 48 months prior to hire; staff employed prior to policy effective date must complete required training within one year of the original effective date.
Beneficiaries must be enrolled in NC Medicaid and providers are required to verify Medicaid eligibility each time a service is rendered. Service eligibility may be limited by the beneficiary's Medicaid eligibility category; beneficiaries with service restrictions that render them ineligible for this policy are not covered.
Medicaid does not cover certain nonclinical activities and supports in connection with Ambulatory Withdrawal Management. Excluded items include transportation for the beneficiary or family members, habilitation activities, time spent in recreational activities unless tied to planned social skill assistance, clinical and administrative supervision of Level 1 WM staff (covered as an indirect cost), services not rendered, childcare, academic instruction, interventions not on the beneficiary's service plan, services to family members that do not directly address the beneficiary's needs, and payment for room and board.
Services are not covered when the beneficiary does not meet the policy Section 2.0 eligibility requirements or the specific Section 3.0 clinical criteria, when the service duplicates another provider's procedure/product/service, or when the procedure/product/service is experimental, investigational, or part of a clinical trial.
Federally recognized tribal and Indian Health Service providers may be exempt from one or more specified items and, where applicable, may be entitled to alternate reimbursement methodologies under Federal law and regulations. The policy was amended to allow use of equivalent tribal or IHS codes or regulations in specified areas and to clarify billing/claims guidance in Attachment A.
North Carolina Medicaid will not reimburse for conversion therapy under this policy.
Treatment that does not meet the eligibility or the specific criteria set forth in Sections 2.0 and 3.0, or that duplicates services provided by another provider, or is experimental/part of a clinical trial, is not covered by Medicaid.
Billing and Code Guidance
| Evaluation and Management CPT codes | E/M codes billed separately from the Ambulatory Withdrawal Management service |
| Comprehensive clinical assessment | Billed separate from the Ambulatory Withdrawal Management service |
| Individual therapy CPT codes | Billed separate from the Ambulatory Withdrawal Management service |
| Laboratory and toxicology tests | Can be point-of-care; billed separate from the Ambulatory Withdrawal Management service |
| H0014 | Ambulatory withdrawal management; billing unit = 1 unit = 15 minutes |
| unlisted CPT/HCPCS | Use appropriate unlisted procedure or service code with special report when no specific CPT/HCPCS exists |
Provider Responsibilities, Claims, and Documentation
Prior approval applies to beneficiaries <21 when required
If a service requires prior approval, beneficiaries under 21 years of age still require prior approval; providers must follow NCTracks guidance for prior approval processes and reference the NCTracks Provider Claims and Billing Assistance Guide and EPSDT provider page for details.
No prior approval required for this service
No prior approval is required for Ambulatory Withdrawal Management without Extended On‑Site Monitoring; providers may deliver and bill the service without obtaining prior authorization.
Revised prior-authorization/authorization language
Policy language referencing prior approval, authorizations, reauthorizations, and utilization management was revised to align with 42 C.F.R. § 438.900; the policy now uses 'episode of care' rather than 'active authorization period' and removes prior authorization/utilization management terminology.
Claim type and H0014 unit billing
Claims for Ambulatory Withdrawal Management without Extended On‑Site Monitoring must be submitted as Professional (CMS-1500/837P) transactions; report H0014 in 15-minute billing units (1 unit = 15 minutes).
- Claim type: Professional (CMS-1500/837P).
- H0014 billing unit: 1 unit = 15 minutes.
No step therapy required
No step therapy requirements are specified for Ambulatory Withdrawal Management without Extended On‑Site Monitoring in this policy.
Single-provider limitation per episode of care
A beneficiary shall receive Ambulatory Withdrawal Management without Extended On‑Site Monitoring from only one provider organization during any episode of care; services may not be provided the same day as SUD Withdrawal Management or Residential Services except on the day of admission or discharge.
- One provider organization per episode of care.
- Cannot be provided same day as SUD Withdrawal Management or Residential Services, except on admission or discharge day.
Separately billed services must be submitted separately
Evaluation and Management CPT codes, the comprehensive clinical assessment, individual therapy, and laboratory/toxicology tests are billed separately from the Ambulatory Withdrawal Management service; providers must submit separate claims for these services where applicable.
- E/M codes and admission physical exam may be billed separately.
- Comprehensive clinical assessment, individual therapy, labs, and toxicology tests billed separately.
Billing units and tribal/IHS reimbursement note
Report billing units according to the specific code used; H0014 units equal 15 minutes. Federally recognized tribal or Indian Health Service providers may be entitled to alternate reimbursement methodologies under federal law and regulations.
- Bill units based on the code's definition (H0014 = 15 minutes).
- Tribal/IHS providers: alternate reimbursement methodologies may apply under federal law.
EPSDT documentation and prior-approval responsibilities
For beneficiaries under 21, document medical necessity per EPSDT criteria to justify exceptions to policy limits; note that if a service requires prior approval, EPSDT does not remove that requirement and providers should follow NCTracks guidance.
- Document how the requested service meets EPSDT criteria (medical necessity to correct, ameliorate, or prevent worsening of a health condition).
- If prior approval is required for the service, EPSDT does not waive the prior-approval requirement.
Maintain service records per DHHS documentation standards
Providers must maintain service records that document the nature and course of treatment consistent with the DHHS Records Management and Documentation Manual; staff who provide services are responsible for accurate documentation and medication administration records (MARs) must meet 10A NCAC 27G .0209(c)(4) or equivalent tribal/IHS regulations.
- Service notes must meet DHHS Records Management and Documentation Manual requirements.
- MARs/eMARs must meet 10A NCAC 27G .0209(c)(4) or equivalent tribal/IHS rules.
- The staff member who provided the service must accurately document billed services.
Required content for service documentation
Service records must document the nature and course of progress; staff must accurately document services billed to Medicaid and ensure service notes comply with the DHHS Records Management and Documentation Manual.
- Document beneficiary progress and treatment course.
- Ensure service notes satisfy DHHS documentation requirements.
ICD-10 coding specificity requirement
Report ICD-10-CM and PCS to the highest level of specificity that supports medical necessity and use the current ICD-10 edition in effect at the time of service.
Procedure coding specificity and use of unlisted codes
Providers must report the most specific CPT/HCPCS code that accurately and completely describes the procedure; if no specific code exists, use the appropriate unlisted procedure or service code with special report.
- Use current CPT, HCPCS, and UB-04 specifications in effect at time of service.
- Use unlisted codes with special report only when no specific code exists.
Verify Medicaid eligibility at each service
Verify each beneficiary's NC Medicaid enrollment at each service; failure to verify eligibility or providing services for a beneficiary not enrolled in NC Medicaid may result in claim denial.
- Providers shall verify Medicaid eligibility each time a service is rendered.
Coverage exclusions that may cause denials
Services are not covered when the beneficiary does not meet Section 2.0 eligibility or Section 3.0 criteria, when the service duplicates another provider's service, or when the procedure is experimental or part of a clinical trial; submitting claims in these circumstances risks denial.
- Confirm beneficiary meets eligibility (Section 2.0) and specific coverage criteria (Section 3.0) before billing.
- Do not bill for duplicate services or experimental/clinical trial services.
Denial risk for noncompliant documentation
Failure to document services consistent with this policy and the DHHS Records Management and Documentation Manual, including MARs that meet 10A NCAC 27G .0209(c)(4) (or equivalent tribal/IHS regulation), may result in denial of Medicaid billing.
Conversion therapy reimbursement exclusion
Claims for conversion therapy will not be reimbursed by North Carolina Medicaid; providers must not bill Medicaid for conversion therapy services.
Background and Context
Ambulatory Withdrawal Management without Extended On‑Site Monitoring is an outpatient, medically supervised service (ASAM Level 1) intended for individuals at minimal risk of severe withdrawal who are free of severe physical or psychiatric complications. The service provides medically supervised evaluation and withdrawal management in regularly scheduled outpatient sessions, with the goal of safely managing withdrawal and linking beneficiaries to ongoing treatment and recovery supports.
Definitions and Assessment Tools
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