Thoracic spine injury Workers Comp NSW Guide

Overview for NSW injured workers

Start with the dispute, not just the diagnosis

May be relevant when

The applicable test depends on the legal characterisation. A personal injury generally must arise out of or in the course of employment, with employment a substantial contributing factor; a disease or disease aggravation generally requires employment to be the main contributing factor.

Benefits to check

Medical expenses, weekly payments, suitable duties, treatment requests, WPI and any dispute notice already received.

Legal help is useful when

The insurer denies liability, refuses treatment, relies on an IME, reduces weekly payments or disputes permanent impairment.

How this affects your claim in practice

In a thoracic spine injury claim, the diagnosis is only the starting point. The records should connect thoracic MRI, CT or centred radiographs identifying the level, fracture pattern and vertebral-height loss and examination records describing trunk movement, guarding, chest-wall symptoms and any sensory level with the worker's practical limits, including trunk rotation, lifting away from the body and sustained upright sitting and tolerance for driving, vibration, deep breathing or repetitive upper-body work. If the insurer disputes whether symptoms arise from the thoracic spine, ribs, chest wall or another body system, the response should address that reason directly.

This information is general in nature and is not legal advice. You should obtain advice about your own circumstances.

Assessment source

NSW Guidelines for the Evaluation of Permanent Impairment, paras 1.8-1.12: NSW Guidelines control the assessment method and AMA5 is used only where adopted and not modified.
NSW Guidelines para 1.12: AMA5 Chapter 18 pain is excluded; chronic pain is assessed through the underlying diagnosed condition, while CRPS is assessed under the relevant NSW method.
NSW Guidelines para 1.15: assessment should usually wait until maximum medical improvement, meaning the condition is stable and unlikely to change substantially in the next year.
NSW Guidelines paras 4.1 and 4.5: spinal impairment is assessed using the diagnosis-related estimates (DRE) method. The AMA5 spine range-of-motion model in sections 15.8-15.13 must not be used in NSW workers compensation.
NSW Guidelines paras 4.14-4.15: alteration of motion segment integrity (AOMSI) is established from the permitted radiographic or structural findings and must relate to trauma, not developmental or degenerative change alone.
NSW Guidelines paras 4.18, 4.20-4.21 and 4.27-4.29: the DRE category depends on supported clinical findings. Imaging alone, and radiating pain alone, do not establish radiculopathy; EMG is not the NSW category differentiator.
NSW Guidelines paras 4.30-4.38 and Tables 4.2-4.3: special NSW rules apply to fractures, spinal surgery, pelvis, sacroiliac injury and coccyx injury.
AMA5 Chapter 15 Tables 15-3, 15-4 and 15-5 provide the lumbar, thoracic and cervical DRE ranges, subject to the NSW modifications.

What injuries or conditions may be assessed?

Thoracic injuries can include muscular or ligament injury, disc injury, facet or costovertebral injury, compression or burst fracture, posterior-element fracture, spinal cord injury and post-operative fusion or decompression.

Symptoms may include central or one-sided mid-back pain, pain around the chest wall, pain with trunk rotation or breathing-related movement, and neurological symptoms below the injured level where the cord is involved.
Thoracic disc abnormalities are less common than lumbar or cervical changes and still need clinical and imaging correlation.

Symptoms and findings that matter

Thoracic assessment can record flexion, extension, lateral flexion and trunk rotation, fracture deformity, guarding or spasm and any cord or nerve-root findings that match the level.

For thoracic spine injury, flexion means bending forward, extension bending backward, lateral flexion bending sideways, and rotation turning the neck or trunk. These observations help classify the injury but are not converted through the excluded AMA5 spine ROM model.

Possible radiculopathy in a thoracic spine injury claim generally needs at least two supported criteria, including a major clinical sign such as reflex asymmetry, localised weakness, reproducible dermatomal sensory loss, a nerve-tension sign or muscle wasting.

Imaging for thoracic spine injury should match the level, side and clinical pattern. A degenerative or disc finding can exist without establishing the accepted injury or a higher DRE category.

Where thoracic spine injury has been treated surgically, the operation type, level count, repeat procedures and residual objective neurological findings must be documented separately.

What investigations are usually relevant

Investigations for thoracic spine injury may include thoracic MRI, CT or centred radiographs should define disc, canal and fracture findings and any measured loss of vertebral height and MRI or CT showing the spinal level, disc, canal, foraminal or fracture findings. Each result should answer a defined clinical question and be read with the examination, diagnosis and history.

Neurological examination recording power, reflexes, sensation and nerve-root distribution.
Operation reports and post-operative specialist reviews if surgery occurred.
Certificates of capacity and duties evidence showing sitting, standing, bending, lifting, driving and attendance limits.

How WPI is assessed for this body part

Thoracic DRE I-V ranges are 0%, 5-8%, 15-18%, 20-23% and 25-28% WPI under AMA5 Table 15-4 as modified by NSW.

NSW Guidelines Chapter 4 assesses thoracic spine injury under the diagnosis-related estimates (DRE) method, using AMA5 Chapter 15 only as modified by NSW.

NSW paragraphs 4.5 and 4.13 exclude the AMA5 spine range-of-motion model. Multilevel disease, recurrence or surgery therefore does not switch a thoracic spine injury assessment to ROM.

For thoracic spine injury, DRE I is 0% WPI. DRE II requires qualifying findings beyond symptoms alone, while DRE III commonly concerns objective radiculopathy or another specifically listed fracture or post-decompression condition. Within one spinal region, competing findings select the highest valid DRE category; they are not added as separate WPI values.

A thoracic spine injury assessment reaches DRE IV only where the evidence supports alteration of motion segment integrity (AOMSI), fusion or specified severe fracture findings. AOMSI is established from permitted structural or radiographic evidence, not ordinary bedside movement loss.

DRE V is reserved for its severe neurological and structural criteria. Persisting radiculopathy after fusion is handled through NSW Table 4.2 rather than automatically moving thoracic spine injury to DRE V.

Any arm or leg symptoms attributed to thoracic spine injury must match objective nerve-root findings. Radiating pain, an MRI label or one abnormal test does not by itself establish radiculopathy.

Cervical, thoracic and lumbar DRE ranges

Select the supported DRE category before reading the regional range. A diagnosis, scan or pain score does not automatically select the top value.

Category	Lumbar	Thoracic	Cervical	What the category means in practice
DRE I	0% WPI	0% WPI	0% WPI	Symptoms may be reported, but the examination does not show the objective findings required for a higher DRE category.
DRE II	5-8% WPI	5-8% WPI	5-8% WPI	A qualifying injury with findings such as guarding, spasm, asymmetric movement loss or non-verifiable radicular complaints, but without the objective radiculopathy or AOMSI required for a higher category. Certain lesser fractures also fall here.
DRE III	10-13% WPI	15-18% WPI	15-18% WPI	Commonly applies where objective radiculopathy is established, or where a specified fracture or NSW post-decompression rule places the injury in this category.
DRE IV	20-23% WPI	20-23% WPI	25-28% WPI	Commonly concerns AOMSI or a severe compression fracture without the neurological features of DRE V. NSW also places successful and unsuccessful spinal fusion in DRE IV.
DRE V	25-28% WPI	25-28% WPI	35-38% WPI	The severe AMA5 category generally requires radiculopathy with AOMSI, or a qualifying severe fracture with neurological compromise. NSW does not move a fusion to DRE V merely because radiculopathy persists after surgery.

Sources: NSW Guidelines Chapter 4; AMA5 Chapter 15, Tables 15-3, 15-4 and 15-5, as modified by NSW.

Worked assessment illustrations

These examples paraphrase the assessment reasoning in the source material. They explain method only and are not predicted outcomes.

Illustration 1

Single-level thoracic compression fracture

Assumed facts: At maximum medical improvement, centred imaging shows a 20% loss of height at one thoracic vertebra. There is no objective radiculopathy or spinal-cord deficit in the assumed facts.

Method: NSW paragraph 4.30 places less than 25% compression in DRE II. The thoracic regional range is then read from AMA5 Table 15-4 as modified by NSW; the fracture label or pain severity does not move the injury to a higher category.

Illustrative outcome: Thoracic DRE II is 5-8% WPI. A different measured deformity, objective neurological finding or AOMSI may require another category. This illustration is not an estimate for any individual claim.

Source: NSW Guidelines para 4.30; AMA5 Table 15-4

What usually does not increase WPI

Back or neck pain alone, without an assessable spinal diagnosis or objective findings, usually does not increase WPI.

Degenerative scan wording by itself is not a rating; the assessment must link the accepted injury to clinical findings.

Radiating pain without objective radiculopathy usually should not be treated as radiculopathy for WPI.

A work capacity restriction is not the same as a permanent impairment percentage.

Evidence checklist

The records for thoracic spine injury should include MRI/CT/X-ray reports and the actual spinal level relied on and neurological examination findings: power, reflexes, sensation and nerve tension tests. They are most useful when the diagnosis, examination and practical restrictions are consistent.

Specialist reports explaining diagnosis, causation, treatment and maximum medical improvement.
Operation reports, if decompression, fusion or other spinal surgery occurred.
Duties evidence showing lifting, bending, twisting, sitting, standing, vibration or driving demands.

How this injury commonly happens at work

Work-related thoracic spine injury can arise through a fall, crush event or direct blow to the mid-back and forceful lifting or rotation involving the thoracic spine and rib attachments. The chronology should identify the actual task or event and when symptoms or function changed.

Work-related thoracic spine injury can arise through vehicle or machinery trauma causing compression or burst fracture and repeated trunk rotation or vibration with a documented change in thoracic symptoms and function. The chronology should record the actual task or event and the point at which symptoms or function changed.

Common insurer disputes

For thoracic spine injury, an insurer may dispute whether symptoms arise from the thoracic spine, ribs, chest wall or another body system and whether a compression fracture is acute, old or related to underlying bone disease. The written decision should be answered with evidence directed to those reasons.

Further disputes about thoracic spine injury may concern whether measured fracture deformity or cord findings satisfy a higher DRE category and whether lifting, rotation or prolonged sitting duties exceed the recorded limits. The decision notice should identify which issue is relied on and the evidence said to support it.

Treatment and surgery issues

Depending on the diagnosis and treating opinion, management of thoracic spine injury may involve brace management, rehabilitation and fracture monitoring where clinically indicated and pain, respiratory or neurological review where the accepted thoracic injury affects those functions. The request should explain the expected functional benefit and its connection to the accepted injury.

Further management of thoracic spine injury may involve fixation, decompression or fusion only where supported by the treating spinal evidence. The request should explain why the proposed step is connected to the accepted injury and what functional improvement is expected.

Weekly payments and work capacity

Capacity evidence for thoracic spine injury should address trunk rotation, lifting away from the body and sustained upright sitting and tolerance for driving, vibration, deep breathing or repetitive upper-body work. Proposed duties must be sustainable for the proposed hours, not merely possible once.

For thoracic spine injury, capacity evidence should address walking and lower-limb safety where cord involvement is alleged. The question is whether those activities can be performed safely, reliably and for the proposed hours—not whether a task can be attempted once.

How NSW Work Injury Claim can help

For thoracic spine injury, a claim review can help to separate thoracic spinal pathology from rib, chest-wall and referred symptoms and verify fracture measurements and neurological findings against the relevant source rule. The purpose is to identify the precise decision and the evidence needed for the next available step, not to promise an outcome.

For thoracic spine injury, a claim review can help to compare work duties with rotation, sitting and lifting restrictions and check whether the thoracic rather than lumbar or cervical DRE table was applied. The purpose is to identify the precise decision and the evidence needed for the next available step, not to promise an outcome.

Common questions about thoracic spine injury claims

How can work cause or aggravate thoracic spine injury?

For thoracic spine injury, the relevant work history may include a fall, crush event or direct blow to the mid-back, forceful lifting or rotation involving the thoracic spine and rib attachments, and vehicle or machinery trauma causing compression or burst fracture. A claim still depends on the actual chronology and medical evidence. The records should identify what changed, when symptoms began or worsened, and how the diagnosed condition affects the worker's duties.

How is WPI assessed for thoracic spine injury?

For thoracic spine injury, thoracic DRE I-V ranges are 0%, 5-8%, 15-18%, 20-23% and 25-28% WPI under AMA5 Table 15-4 as modified by NSW. Thoracic assessment can record flexion, extension, lateral flexion and trunk rotation, fracture deformity, guarding or spasm and any cord or nerve-root findings that match the level. The assessor must apply the NSW Guidelines to the accepted, stable condition; the diagnosis or an operation does not by itself determine a percentage.

Which records are most useful for a thoracic spine injury assessment?

A thoracic spine injury assessment commonly needs MRI/CT/X-ray reports and the actual spinal level relied on, neurological examination findings: power, reflexes, sensation and nerve tension tests, specialist reports explaining diagnosis, causation, treatment and maximum medical improvement, and operation reports, if decompression, fusion or other spinal surgery occurred. Those records are most useful when they describe the same diagnosis, examination findings, treatment history and practical work restrictions.

What does an insurer commonly dispute about thoracic spine injury?

For thoracic spine injury, common issues include whether symptoms arise from the thoracic spine, ribs, chest wall or another body system, whether a compression fracture is acute, old or related to underlying bone disease, and whether measured fracture deformity or cord findings satisfy a higher DRE category. The response should address the insurer's stated reason with the relevant chronology, clinical findings, investigations and duties evidence rather than relying on the diagnosis alone.

How can thoracic spine injury affect weekly payments and suitable duties?

Capacity evidence for thoracic spine injury may need to address trunk rotation, lifting away from the body and sustained upright sitting, tolerance for driving, vibration, deep breathing or repetitive upper-body work, and walking and lower-limb safety where cord involvement is alleged. A certificate should describe what the worker can do safely and sustainably. Proposed duties should then be checked against those restrictions and the real demands of the job.

What does not establish WPI for thoracic spine injury by itself?

For thoracic spine injury, back or neck pain alone, without an assessable spinal diagnosis or objective findings, usually does not increase WPI. WPI depends on the accepted injury, objective findings and the method required by the NSW Guidelines after the condition has stabilised.

Request a calm claim position review

If you have received an insurer decision or you are unsure how your injury evidence fits together, we can help you identify the issue, organise the documents and consider the next step. Where ILARS funding is approved, eligible legal costs and necessary disbursements may be covered.

Request a claim review Call (02) 7233 3661

Thoracic spine injury workers compensation NSW