Functional Capacity Assessments for Postural Orthostatic Tachycardia Syndrome (POTS)
Postural Orthostatic Tachycardia Syndrome (POTS) is a poorly-understood autonomic disorder that can produce profound functional disability — yet many participants are told incorrectly that POTS 'isn't NDIS-eligible'. NDIS eligibility is determined by functional impact, not diagnosis. A defensible POTS FCA documents the orthostatic intolerance, post-exertional fatigue and cognitive load that drive everyday functional limitation, and translates that evidence into NDIS-aligned supports a delegate can approve.
Common functional impacts of POTS
POTS produces an exaggerated heart-rate response on standing (≥30 bpm increase within 10 minutes of upright posture, or ≥40 bpm in adolescents) accompanied by lightheadedness, presyncope, cognitive slowing, fatigue, exercise intolerance and gastrointestinal symptoms. Many participants tolerate only 20–30 minutes of upright activity before symptom escalation forces them to lie down, with 4–6 hours of recumbent recovery required. Cognitive fatigue ('brain fog') significantly limits learning, work and complex decision-making. Co-occurring conditions are common — hypermobility (hEDS), Mast Cell Activation Syndrome, post-viral fatigue and chronic migraine — and amplify the functional load.
How an FCA supports NDIS funding for POTS
We frame the eligibility question correctly from the outset: NDIS eligibility under Section 24 of the NDIS Act is determined by functional impact, not whether a condition appears on any 'list'. Our POTS FCAs anchor functional findings in standardised tools — WHODAS 2.0 for global functioning, COMPASS-31 for autonomic symptom burden, Modified Fatigue Impact Scale, and structured upright-tolerance diary data over 2–3 weeks. We document the participant's upright-tolerance ceiling, recovery cycle, and the cognitive-fatigue 'tail' that often persists for days after symptom escalation. This evidence supports funding across Core (community access, meal preparation, transport during low-capacity windows), Capacity Building (OT for energy conservation, exercise physiology with POTS-specific programming) and assistive technology.
Common support recommendations in POTS FCAs
Frequently evidenced supports include: support worker hours scheduled around upright-tolerance windows (meal preparation, shopping, transport, household tasks); Capacity Building for energy-conservation and activity-pacing strategies via Occupational Therapy; supervised exercise programming delivered by a POTS-experienced exercise physiologist (recumbent-progressive protocols); assistive technology including compression garments, mobility aids for upright tolerance, and cognitive-load reduction tools; and where psychosocial sequelae have developed, Capacity Building for adjustment-focused psychology. Annual FCA re-review is recommended to track condition trajectory.
Next steps
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