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Eight headings, five that count, and the numbers are added rather than shrunk. That is why mental health often scores higher than veterans expect.
Chapter 4 covers mental health. PTSD, depression, anxiety, and alcohol or drug problems that have been accepted.
It works differently from every other chapter, and the difference is in your favour. Here is how.
The assessor scores you on eight things:
The first two always count.
Of the last six, only the three highest count.
The five numbers are added together. Straight addition.
Everywhere else in the Guide, numbers get joined through a chart that shrinks them. Not here. Here 6 plus 4 plus 4 plus 2 plus 2 is 18.
That is why mental health conditions often carry more weight than veterans expect.
Because not every heading fits every person.
Someone who is retired cannot be scored fairly on work. Someone who lives alone cannot be scored fairly on home life. Taking the three worst makes it fair across everyone.
It also means this: you do not need to be struggling in all six areas. Three is the most that can ever count.
Most veterans undersell it. Usually out of habit.
The assessment is about your usual state, not your worst day and not the day you happen to feel alright.
Be specific:
"Not too bad" is not an answer the tables can use.
The therapy table scores the treatment you are actually receiving. Medication, psychology, psychiatry, hospital admissions.
So bring the list. Names of the medications, how long you have been on them, who you see and how often.
The rules here are specific.
Worth checking what is on your file.
If you have psychiatric conditions that are not accepted, Chapter 19 gets applied and takes a share of the score back off.
This is where a clear report earns its keep. If nothing separates the accepted condition from the rest, someone will estimate the split, and the estimate will not favour you.
No. Only the three highest count. Three is the maximum that can ever be used.
It should not. The assessment is meant to reflect your usual state over the period. But say so if the day is not typical.
No. Treatment is one of the eight tables. Being on treatment is scored, not discounted.
They are assessed together as your accepted psychiatric condition, using one set of eight tables. You get one psychiatric number, not two.
If you have a permanent impairment assessment coming up, we do these every week. Call 0429 146 039 or email reception@vhc.org.au.
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This is general information for Australian veterans. It is not legal advice. It explains Chapter 4 of the Guide to Determining Impairment and Compensation 2026 (F2026L00595), which started on 1 July 2026. The full rules are on the Federal Register of Legislation. Check your own situation with DVA on 1800 VETERAN (1800 838 372).

Reviewed by Dr Thomas Perkins
Founding doctor, Veterans Health Centre · former RAAF aviation medical officer · 13 years working exclusively with ADF members and veterans. Full profile →