How a Functional Capacity Assessment Supports Your NDIS Plan

A Functional Capacity Assessment can be one of the most useful sources of functional evidence to support NDIS planning conversations. (NDIS describes FCAs as assessments of a person’s ability to perform daily tasks at home, work, and in the community. (NDIS)

Here is a quick overview of how the FCA contributes to the implementation of your NDIS plan, when to get one, and why the quality of the report matters more than most families realise.

Why the NDIS needs evidence and what counts

The NDIS is a needs-based scheme, which means funding is allocated according to what a person truly needs to live their life, not only because of their diagnosis. Two people with the same diagnosis can have completely different functional needs depending on how their condition affects them day to day, what their home environment is like, and what support they already have access to.

This is where the FCA makes a difference: it provides the specific, functional evidence that planners need to understand your family member's situation. Beyond their condition in general terms, the focus is placed on how they perform activities in their home, in their routines, with their particular strengths and challenges.

Without that evidence, planning conversations can default to general assumptions about what a diagnosis usually requires. With evidence, the conversation can be specific, well-supported, and much harder to underfund.

How an FCA contributes to your plan

• It explains the "why" behind funding requests. The NDIS doesn't fund disability supports just because a family asks for them. It funds them because there's documented evidence of need. An FCA written by a skilled OT translates everyday observations ("she can't manage the morning routine without help") into clinical evidence ("the participant demonstrates significant difficulties with executive function, sequencing, and task initiation that impact her ability to complete personal care and domestic tasks independently"). Same reality. A totally different impact in a planning conversation.

• It identifies what types of supports will help. An FCA documents difficulties, but it also recommends solutions. The OT's recommendations section outlines the types of therapy, support, equipment, or home modifications that are clinically indicated for this person. The more detailed and clearly justified the recommendations, the more useful they are as a foundation for funding requests. It’s important to remember that these recommendations can support funding requests, but NDIA decisions remain subject to the NDIS funding criteria. (NDIS)

• It captures what changes over time. People's needs evolve. A child moves into adolescence. An adult's condition progresses. A person's circumstances change significantly after a hospitalisation or a family transition. A new or updated FCA at key moments provides current evidence that reflects where the person is now, not where they were 12 months ago when the last plan was written. This is particularly important at plan reviews, where outdated assessments can result in funding that no longer fits.

• It supports requests for specific equipment and home modifications. Your family member may need a wheelchair, a shower chair, a hospital bed, home modifications to improve access and safety, or assistive technology to support their independence.  For some assistive technology, equipment, or home modification requests, the NDIS may require clinical evidence, such as an OT report or assessment. The evidence needed can vary depending on the type, cost, risk, and complexity of the support being requested. (NDIS)

An FCA that documents the functional need behind each item, and connects it clearly to the person's goals and daily activities, gives the planner the justification they need to approve it.

When is the right time to get an FCA?

Before the first NDIS plan. If your family member is new to the NDIS, an FCA helps ensure the initial plan reflects actual needs from the start rather than starting with a minimal plan and spending the first year trying to get it increased.

• Before an NDIS plan review. If the existing plan isn't meeting your family member's needs, a current FCA gives you the evidence to make a case for change. This is especially important if needs have increased or your circumstances are different since the last assessment.

• When new supports are being requested. If you’re seeking funding for specific therapy, equipment, home modifications, or home and living supports such as Supported Independent Living, an FCA may form part of the evidence used to support the request.

• When things have changed significantly. A new diagnosis, a change in health, and a transition between life stages represent significant changes in circumstances. These changes might be a good reason to ensure the clinical evaluation still applies.

Why report quality matters

Not all FCAs are equal. A thorough, well-written FCA can be the difference between a plan that genuinely reflects your family member's needs and one that falls short.

The most useful FCAs are specific — they describe the person's functional capacity in their actual environment, not in general terms. They connect difficulties clearly to daily activities and goals. Their recommendations are justified, practical, and clearly linked to NDIS funding categories. And they're written in a way that a planner who has never met your family member can read and understand.

If an FCA is vague, overly brief, or doesn't connect its findings to functional impact and practical recommendations, it may not carry the weight you need in a planning conversation — even if the need is genuinely there.

A few things worth knowing before you go into a plan review

• Bring your FCA. If you have a recent, comprehensive FCA, take it to the planning meeting and refer to it specifically when discussing each area of funding.

• Make sure it's current.  If your family member’s FCA is older than 12 months, or their needs have changed significantly, consider whether an updated assessment is required before the review. (Currently, reports submitted as evidence need to be written within the last 12 months to accurately reflect needs or circumstances. (NDIS)

• Ask your OT about the connection. If you're already working with an OT, ask them directly: "Does this report support the funding we're requesting?"
  

At Sigma Therapies, our Occupational Therapists complete FCAs for children, adolescents, and adults across Perth and regional WA. We write thorough, practical reports that are genuinely designed to support your family member's NDIS plan — and we're happy to talk through what's needed before you commit.

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Disclaimer: NDIS planning processes are changing, so families should always check current NDIS guidance or seek advice about what evidence is required for their situation. The Australian Government has stated that the rollout of new framework planning has been delayed until 1 April 2027.