Impairment Ratings for Shoulder Injuries in Texas Workers’ Compensation Claims
FREE CONSULTATION
Contact Us About Your Case
FREE Consultation Today.
Impairment Ratings for Shoulder Injuries in Texas Workers’ Compensation Claims
Shoulder injuries are among the most common and most disabling injuries in Texas workers’ compensation claims. Because the shoulder is a complex joint with a wide range of motion, injuries often lead to long‑term limitations — and therefore significant Impairment Ratings (IRs).
The impairment rating determines:
- How long Impairment Income Benefits (IIBs) last
- Whether the worker qualifies for Supplemental Income Benefits (SIBs)
- The overall financial impact of the injury
- How the case is evaluated at hearings
Insurance companies frequently try to minimize shoulder impairment ratings by downplaying range‑of‑motion loss, ignoring surgical outcomes, or blaming symptoms on degeneration.
This post explains how IRs are assigned for shoulder injuries, what the AMA Guides require, and how injured workers can protect their benefits.
How Impairment Ratings Work in Texas Workers’ Compensation
Texas uses the AMA Guides to the Evaluation of Permanent Impairment, 4th Edition. An impairment rating is assigned when the worker reaches Maximum Medical Improvement (MMI).
The IR must reflect:
- Permanent anatomical loss
- Permanent functional loss
- Objective medical findings
- The worker’s condition on the date of MMI
The designated doctor’s rating carries presumptive weight, meaning it controls unless the preponderance of the medical evidence proves it wrong.
Common Shoulder Injuries That Lead to Impairment Ratings
Shoulder injuries that frequently result in impairment ratings include:
- Rotator cuff tears (partial or full‑thickness)
- Labral tears (SLAP tears)
- Biceps tendon tears
- Shoulder impingement
- AC joint injuries
- Glenohumeral instability
- Frozen shoulder (adhesive capsulitis)
- Post‑surgical limitations
For a deeper dive into shoulder injuries, see Shoulder Injuries in Texas Workers’ Compensation
How the AMA Guides Assign Impairment Ratings for Shoulder Injuries
Shoulder impairment ratings are based on several measurable factors:
1. Loss of Range of Motion (ROM)
This is the primary driver of shoulder impairment ratings.
The designated doctor measures:
- Flexion
- Extension
- Abduction
- Adduction
- Internal rotation
- External rotation
Each deficit is assigned a percentage, and the values are combined for a final ROM impairment.
2. Strength Loss
Strength deficits often occur after:
- Rotator cuff tears
- Labral tears
- Biceps tendon injuries
- Surgical repairs
Often, this type of strength loss can significantly increase the impairment rating if it has been properly documented.
3. Surgical Outcomes
Shoulder surgeries that commonly increase IRs include:
- Rotator cuff repair
- Labral repair
- Biceps tenodesis
- Subacromial decompression
- Distal clavicle excision
- Shoulder stabilization procedures
Surgery often results in permanent ROM loss, scarring, and functional limitations — all of which contribute to the IR.
4. Combined Values
The AMA Guides require combining:
- ROM impairment
- Strength impairment
- Surgical impairment
- Additional deficits
This produces the final whole‑person impairment rating.
Typical Impairment Rating Ranges for Shoulder Injuries
While every case is unique, common ranges include:
Mild strain or sprain: 0–3% IR
Partial‑thickness rotator cuff tear: 3–7% IR
Full‑thickness rotator cuff tear (non‑surgical): 5–10% IR
Post‑surgical rotator cuff repair: 7–15% IR (depending on ROM and strength loss)
Massive tear or multiple‑tendon involvement: 10–20% IR
Frozen shoulder (adhesive capsulitis): 8–15% IR
Shoulder replacement (rare in comp): 20–30% IR
Insurance companies often try to push ratings toward the low end of these ranges.
How Insurance Companies Minimize Shoulder Impairment Ratings
Carriers frequently attempt to reduce IRs by:
Claiming ROM measurements are “invalid”
Ignoring strength deficits
Downplaying surgical outcomes
Blaming MRI findings on degeneration
Arguing the worker reached MMI too early
Using insurance‑friendly designated doctors
These tactics can dramatically reduce the worker’s benefits.
Why the Impairment Rating Matters So Much
The IR determines:
1. The length of Impairment Income Benefits (IIBs)
IIBs pay 3 weeks for every 1% of impairment.
Example:
- 5% IR = 15 weeks
- 10% IR = 30 weeks
- 15% IR = 45 weeks
2. Eligibility for Supplemental Income Benefits (SIBs)
A worker must have an IR of 15% or higher to qualify.
See Supplemental Income Benefits.
3. The strength of the case at hearings
Higher IRs often reflect more serious injuries.
4. Long‑term financial stability
A difference between 5% and 10% can mean thousands of dollars.
What Evidence Helps Increase a Shoulder Impairment Rating?
MRI showing a tear
Surgical records
Documented ROM deficits
Strength testing
Consistent pain complaints
Treating doctor support
Physical therapy records
Post‑surgical limitations
The more objective evidence, the harder it is for the designated doctor to minimize the rating.
How to Challenge a Low Shoulder Impairment Rating
Workers can challenge an IR by:
How MLF Legal Protects Shoulder Impairment Ratings
Our Workers’ Compensation Lawyers help clients by:
- Ensuring ROM is measured correctly
- Challenging premature MMI
- Securing accurate MRI and surgical documentation
- Preparing workers for designated doctor exams
- Obtaining counter‑ratings from treating doctors
- Fighting low IRs at BRCs and CCHs
A correct impairment rating can change a worker’s entire financial future.
The Bottom Line
Shoulder injuries often result in significant impairment — but insurance companies work hard to minimize impairment ratings.
If your IR is too low, or if you’re preparing for a designated doctor exam, you need a lawyer who understands the AMA Guides, the DWC process, and the medical evidence required to secure the rating you deserve.
MLF Legal handles real Texas workers’ compensation cases through the full DWC process — including shoulder‑injury impairment rating disputes.
Call MLF Legal - FREE Consults
If you believe your shoulder impairment rating is too low, call MLF Legal today.
📞 214‑357‑1782
Your benefits depend on getting this right.
FAQs: Impairment Ratings for Shoulder Injuries in Texas Workers’ Compensation Claims
- Shoulder IR calculation — Ratings are based on loss of range of motion, strength deficits, surgical outcomes, and permanent functional limitations using the AMA Guides (4th Edition).
- Shoulder injuries that qualify — Rotator cuff tears, labral tears, biceps tendon injuries, frozen shoulder, impingement, and post‑surgical limitations commonly lead to measurable impairment.
- Surgery impact on IR — Procedures like rotator cuff repair, labral repair, biceps tenodesis, and decompression often increase the IR due to permanent ROM loss and functional deficits.
- Typical shoulder IR ranges — Mild strains may be 0–3%, partial tears 3–7%, full‑thickness tears 5–10%, and post‑surgical cases 7–15% or higher depending on ROM and strength loss.
- Evidence for higher IR — MRI findings, surgical records, documented ROM deficits, strength testing, consistent pain complaints, and treating doctor support all strengthen the rating.
- IIB duration for shoulder injuries — IIBs pay 3 weeks for every 1% of impairment. For example, a 10% IR results in 30 weeks of benefits.
- Shoulder SIB eligibility — Yes, but only if your impairment rating is 15% or higher.
- Disputing a low shoulder IR — You can challenge the rating through a designated doctor review, a counter‑rating from your treating doctor, a DWC‑45 dispute, or a hearing.
- Why carriers minimize IRs — Lower ratings reduce IIB duration, eliminate SIB eligibility, and decrease long‑term liability, so carriers push for the lowest possible IR.
- Prior shoulder issues and IR — A pre‑existing condition does not prevent an impairment rating. If work aggravated the condition, the resulting impairment is still compensable.
- Who assigns shoulder IR — A designated doctor chosen by the Division of Workers’ Compensation typically assigns the rating, and their opinion carries presumptive weight.
- Legal help for shoulder IR disputes — Yes. Shoulder IRs are heavily contested, and a lawyer ensures proper ROM testing, accurate application of the AMA Guides, and protection of your benefits.
Injured at work in Texas and your employer doesn’t have workers’ comp?
You may have the right to sue and recover full compensation.
Contact MLF Legal today for a free consultation. You pay nothing unless we win your case.
Next Steps:
1st
Sign up For a Free One-on-One Work Comp Case Evaluation
NEXT LEGAL STEP
Get a Legal Opinion
Contact us today to schedule your personalized one-on-one free phone consultation with one of our dedicated legal professionals. Our experienced Worker’s Comp Lawyers are here to provide the expert legal guidance and support you need throughout the entire process of your case.
We understand the complexities involved in Worker’s Compensation claims and are committed to helping you achieve the best possible outcome. Don’t hesitate to reach out and take the first step toward securing the justice you deserve.
2nd
Download Free E-Books
NEXT LEGAL STEP
Workers' Compensation
Applying for workers compensation can be a challenging process. It involves filing a claim, providing medical documentation, and navigating the approval process. Seeking guidance from a workers’ compensation attorney can help ensure your rights are protected and your claim is handled properly.
LET’S GET STARTED
Call MLF Legal today
214-357-1782
Fill out our online form
for a free consultation.
We only get paid if we win your case.
Contact MLF Legal Today
