Children’s Developmental Disability Agencies (DDAs)

Children’s Developmental Disability Agencies (DDAs) provide services to help children with developmental disabilities and/or functional and behavioral needs to learn skills, build independence, and take part in daily life. These services also support families and caregivers.

If you are a certified DDA, you can be approved to provide services to children. Agencies may offer both intervention services and support services, based on each child’s needs.

Services can be delivered in settings that are comfortable and natural for the child:

  • In their home
  • In community locations (such as parks, schools, or childcare settings)
  • In center-based programs

Services Available

Support Services (HCBS 1915(i) State Plan Option)

Support services help families care for their child and support development in everyday routines.

Available Support Services

  • Respite
    Short-term care that gives caregivers time to rest or take care of other responsibilities.
  • Community-Based Supports
    Help for children to participate in community activities and build independence.
  • Family Education
    Training and guidance to help families support their child’s development.
  • Family-Directed Services
    Flexible services that allow families to choose and manage supports.
     

Intervention Services (State Plan)

Intervention services focus on helping children build important life skills and address developmental needs.

Available Intervention Services

  • Habilitative Skill Development
    Teaching skills for daily living, communication, and independence.
  • Behavioral Intervention
    Support to reduce challenging behaviors and encourage positive behaviors.
  • Interdisciplinary Training
    Coordinated support from a team of professionals working together.
  • Crisis Intervention
    Immediate support during behavioral or emotional crises.

Children's developmental disability provider lists

Document portal for children's developmental disability DDA providers

Provider instructions for document portal

Behavioral Modification and Consultation Transition to Behavioral Intervention

All Behavioral Modification and Consultation (BMC) services will transition to Behavioral Intervention (BI) services. BMC and BI services are often both referred to and known by members as Applied Behavioral Analysis (ABA) services.

Please review Idaho Medicaid Information Release MA25-21 Behavioral Modification and Consultation Transition to Behavioral Intervention and Magellan Healthcare News for Providers Effective Dec. 1, 2025: Bill Behavioral Modification services to Idaho Medicaid FFS for additional information. Work is in progress to transition existing authorizations from Magellan Healthcare to Telligen. Providers must be contracted with Gainwell Technologies to bill Idaho Medicaid directly and must be registered with Telligen’s Provider Portal to submit and obtain authorizations. 

Provider Frequently Asked Questions

When will this change take effect?

Effective December 1, 2025, BMC services will no longer be managed by Magellan Healthcare. Providers may continue to send prior authorization requests for BMC services to Magellan Healthcare through November 30, 2025. Providers in the process of a new plan or amendment for their members may choose to submit to Telligen now instead of Magellan to then be transferred over to Telligen. 

What will happen with existing authorizations?

Idaho Medicaid, Magellan Healthcare, and Telligen are working together to transfer all approved BMC authorizations extending beyond November 30, 2025, from Magellan Healthcare to Telligen. Any authorization expiring in less than 90 days will be extended to ensure at least 90 days of coverage.

  • All active authorizations with Magellan Healthcare for BMC will cease November 30, 2025.
  • Telligen will issue new BI authorizations, and all current authorizations will be extended by at least 90 days.
  • Authorizations expiring between December 1, 2025, and March 1, 2026, will be extended to March 1, 2026.
    • Example: Existing authorization end date of January 20, 2026, a new authorization end date will be issued with March 1, 2026.
  • Authorizations ending on or after March 2, 2026, will remain the same.

 

How can providers view their new authorization details?

Telligen will issue new notices of decision to current BMC providers and send updated notices to members who have existing approved authorizations. 

What if I am not currently enrolled with Telligen?
What codes may providers bill for Behavioral Intervention services?

The table below includes codes billed for Behavioral Modification and Consultation and Behavioral Intervention. The first column lists BMC codes billed to Magellan Healthcare; the second column lists the corresponding BI codes, billed to Gainwell Technologies using prior authorizations from Telligen. 

BMC Code and ModifierBI Code and Modifier
97153H0004 TG
97153 HNH0004 TF
97153 HMH0004
97154H0005
97155H0004 TG
97155 HNH0004 TF
97156H0004 TG
97156 HNH0004 TF
97157H0005 TG
97157 HNH0005 TF
97158H0005 TG
97158 HNH0005 TF
97151H0032 TG
97151 HPH0032 TG
97151 HNH0032 TF
Do Behavioral Intervention codes allow for a professional to directly modify a treatment protocol?

Yes. 

H0004 TG allows the Evidence Based Model (EBM) Intervention Professional, also known as a Board Certified Behavior Analysts (BCBA), to directly modify a treatment protocol.

This code can be used for direct face-to-face treatment, the time a professional spends face-to-face with a patient to actively assess the client's response and make real-time modifications to treatment strategies, and to directly modify a treatment protocol while directing a technician. 

  • When directly modifying a treatment protocol while directing a technician, the provider overseeing the technician is the billing provider, not the technician. 
How will providers coordinate benefits with Medicaid as a secondary for ABA services?

Providers must bill the primary insurance carrier using the appropriate Applied Behavioral Analysis codes, most commonly 97151–97159. After receiving the EOB showing the claim was submitted and either paid or denied, providers should then bill Idaho Medicaid. The Idaho Medicaid system includes a crosswalk for these codes to ensure proper payment.

Can Behavioral intervention codes be billed concurrently?

No, concurrent billing is not allowable.

Can a provider bill behavioral intervention to deliver family guidance when the child is not present?

No, the child must be present to bill behavior intervention codes.

Does The Council of Autism Service Providers (CASP) Adaptive Behavior Treatment with Protocol Modification template meet documentation requirements when a provider bills behavioral intervention to directly modify treatment protocol?

Yes, if the template has all necessary components required. 

Do I have to use the Assessment and Clinical Treatment Plan template?

No, as long as all other components of IDAPA and Handbook are met, a provider may use the template they prefer. 

Provider forms & templates

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