Subdimension-Matched Comorbidity Surveillance Planner for Pediatric ADHD
A pediatric decision-support tool that reads a child's ADHD symptom-dimension profile at diagnosis and generates a personalized schedule of comorbidity checks for each follow-up visit — externalizing screens for hyperactivity/impulsivity-dominant children, neurodevelopmental screens for cognitive-disengagement-dominant children.
Concept
At ADHD diagnosis, the planner scores the child across the ADHD subdimensions captured by standard rating scales — inattention, hyperactivity/impulsivity, and cognitive disengagement — and generates a 12–36 month comorbidity surveillance schedule matched to the child's dominant dimension. Hyperactivity/impulsivity-dominant children receive calendar-scheduled externalizing-spectrum screens (oppositional-defiant and conduct symptoms, aggression, and age-calibrated risk-taking indicators as they enter adolescence); cognitive-disengagement-dominant children receive scheduled neurodevelopmental-spectrum screens (learning and communication indicators, autism traits). The schedule lands in the EHR as recurring prompts tied to routine ADHD follow-up visits such as medication checks, so comorbidity surveillance happens inside visits that already occur. Each prompt names the instrument, the action threshold, and the referral path. The output is a prioritized watchlist that supports — never replaces — clinician judgment.
Why now
The ABCD analysis (11,878 youths, four annual waves) provides the first large-scale longitudinal evidence that ADHD subdimensions carry different comorbidity signatures: hyperactivity/impulsivity is more closely linked to the externalizing spectrum, and cognitive disengagement to the neurodevelopmental spectrum [0]. Comorbidity is common in children and adolescents with ADHD and is associated with poorer prognosis [2], yet follow-up care typically monitors only ADHD symptoms themselves. The subdimension-to-spectrum mapping now gives practices an evidence-based rule for deciding which comorbidities to watch in which child and when — something a generic "screen for comorbidity" prompt cannot do.
Written by GLM · 2 Oct 2026
AI assessment
A highly focused clinical decision-support tool that leverages longitudinal ABCD study data to move from generic comorbidity screening to personalized, subdimension-driven surveillance.
- Evidence strength 5/5
- The idea is directly grounded in the ABCD study's large-scale longitudinal data (n=11,878) which explicitly links specific ADHD subdimensions to distinct comorbidity spectra.
- Market pull 4/5
- Pediatric practices have a high volume of ADHD follow-ups and a clear clinical need to manage comorbidities that worsen prognosis, though EHR integration is a known friction point.
- Novelty & moat 3/5
- While similar to the 'Comorbidity-Aware ADHD Screening Tool', it differentiates by moving from a one-time assessment to a longitudinal, personalized surveillance schedule based on subdimension profiles.
- Feasibility 5/5
- The logic is a simple mapping of rating scale scores to a calendar of existing screening instruments, making it a low-complexity software build.
- Wedge clarity 5/5
- The wedge is extremely sharp: integrating specific screening prompts into existing medication check-up visits.
- Simplicity / focus 5/5
- The product is a single, focused utility—a surveillance planner—avoiding the trap of becoming a broad diagnostic platform.
Scored by Gemma 4 · 2 Oct 2026. Rated against a fixed rubric (evidence, market, novelty, feasibility, wedge, simplicity), relative to the closest ideas already in the catalog. A prior estimate to compare ideas before real-world signal arrives.
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Who benefits
- Nemours Children's Healthorganization
Operates one of the largest US pediatric care networks with high ADHD follow-up volume; converting routine medication checks into dimension-matched comorbidity surveillance directly improves the comorbidity detection its pediatric outcomes programs track.
- Hazel Healthcompany
Delivers school-based pediatric telehealth including ADHD follow-up at scale; a scheduled, subdimension-matched surveillance plan gives its clinicians a concrete agenda for each episodic check-in visit.
- Cognoacompany
Built FDA-authorized pediatric neurodevelopmental diagnostics (Canvas Dx); a comorbidity surveillance planner extends its diagnostic pipeline into longitudinal monitoring of the ADHD population it screens.
- American Academy of Pediatricsorganization
Publishes the ADHD clinical practice guideline pediatricians follow; a subdimension-matched surveillance schedule operationalizes guideline comorbidity-monitoring recommendations in a concrete, auditable form for its member practices.
Research it builds on
- Psychiatric comorbidity in children and adolescents with ADHD: A systematic review and meta-analysisUrður Njarðvík, Gro Janne Wergeland, Eili N. Riise et al. · 2025 · 141 citationsAll ideas from this paper →
- Common cause versus dynamic mutualism: Insights into ADHD's common comorbiditiesZheyue Peng, Ashley L. Watts · 2026 · 2 citationsAll ideas from this paper →