The doctor says you have reached maximum medical improvement. You are still hurting, still taking medication, and still unsure whether you can return to your regular job. Then you hear your temporary disability checks may stop, and the phrase sounds a lot less reassuring.
Maximum medical improvement, or MMI, is an important point in a California workers’ compensation case. It does not necessarily mean you have recovered completely, no longer need treatment, or must accept the insurance company’s next offer. It means the medical findings and the next stage of benefits need a careful review.
What does MMI actually mean?
California also uses the term permanent and stationary, often shortened to P&S. Under the treating-physician regulation, permanent and stationary status is the point at which you have reached maximal medical improvement, meaning the condition is well stabilized and unlikely to change substantially over the next year, with or without treatment.
Once you have reached maximum medical improvement, your primary treating physician, or panel qualified medical examiner, should issue a report addressing how much Whole Person Impairment you have based upon the AMA Guides 5th edition. That number is plugged into a formal to determine your final Permanent Disability value which is the basis to settle your case.
Someone can meet that definition while still having pain, limitations, and a need for future care. For example, a Torrance auto-repair worker may have a stable shoulder condition but remain unable to do repeated overhead work. The fact that the condition has stabilized does not answer whether the old job is suitable.
Why your temporary disability checks may change
Temporary disability generally ends at MMI. It can also end earlier for other reasons, such as a return to work or exhaustion of the applicable duration limit. For injuries on or after January 1, 2008, the usual limit is 104 weeks within five years of injury, with statutory exceptions for specified conditions.
Essentially, if your condition has reached Maximum Medical Improvement you are no longer entitled to TTD. Instead you receive, weekly checks of Permanent Disability (If the evaluator found Whole Person Impairment), at the max rate of $290.00 depending on your average weekly wage.
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Ask the adjuster for the written explanation of any change and keep your payment history. If the amount drops, find out whether the insurer is paying permanent disability advances, terminating benefits entirely, or relying on a different medical finding. Those are different situations.
Received an MMI report and a notice that your checks are changing? Call 310-295-0822 or text Lee Partners Law. We can review the report and explain what the benefit change may mean for your case.
MMI does not automatically close medical care
A doctor can find you permanent and stationary while recommending future treatment. That might include follow-up visits, medication, or other care supported by the medical record. The report should explain the anticipated needs rather than leave you guessing what happens when symptoms flare up.
Medical care that remains the insurer’s responsibility is still subject to the applicable treatment rules and authorization process. MMI does not itself settle the claim or turn every recommended procedure into an automatic approval. The DWC publishes an overview of that treatment framework for injured workers.
The return-to-work offer and the job displacement voucher
The permanent and stationary report also starts a clock for your employer. Once the claims administrator receives the first report from the treating doctor or a medical evaluator finding you permanent and stationary with permanent partial disability, the employer has 60 days to offer regular, modified, or alternative work lasting at least 12 months. If no qualifying offer is made, you may be entitled to a Supplemental Job Displacement Benefit voucher under Labor Code section 4658.7. For injuries on or after January 1, 2013, the voucher is worth up to $6,000 and can be used for retraining, skills enhancement, and related expenses described in the DWC’s voucher guidance.
The voucher is separate from permanent disability and from any settlement. Whether an offer of work was actually made, and whether it met the requirements, is a factual question worth checking rather than assuming.
Look beyond the impairment percentage
The report may assign whole person impairment, or WPI. California’s rating system uses AMA Guides, Fifth Edition impairment and applicable adjustments to determine permanent disability. WPI is not the same number as the final permanent disability rating, and neither is automatically the full value of a settlement.
Check whether the report addresses all claimed injuries, relevant findings, permanent work restrictions, future care, and any apportionment to other causes. Our WPI and settlement guide explains the relationship. If the result seems disconnected from the medical record, read our article on a low permanent disability rating.
A Carson manufacturing employee and a Long Beach office employee could have similar medical impairment but different job demands. That is one reason an accurate occupation and work history matter. A percentage printed on the last page deserves more than a quick glance.
What if the report is premature or incomplete?
Identify the specific problem. Was a relevant test omitted? Is a recommended treatment still expected to materially change the condition? Did the doctor overlook a claimed injury or describe work duties inaccurately? Continuing pain alone does not prove MMI is wrong, but an incomplete assessment deserves attention.
Depending on the report and procedural stage, the next step may involve clarification, a supplemental report, or the appropriate medical-legal dispute process. Seek advice promptly because different objections have different requirements. Do not assume that a routine follow-up appointment preserves a formal objection.
You do not have to rush into settlement
An MMI report often helps frame settlement discussions, but it does not require an immediate agreement. Before deciding, understand the rating, any unpaid benefits, and whether future medical care would remain open or be bought out. Our comparison of Stipulations and Compromise and Release explains the two common structures.
Common questions about MMI
Is MMI the same thing as permanent and stationary?
In California practice, yes. The treating-physician regulation defines permanent and stationary status, and doctors and insurers use maximum medical improvement to describe the same point. Whichever term appears in your report, the questions that follow are the same: what are the restrictions, what future care is anticipated, and what impairment was found.
Can I still get medical treatment after MMI?
Yes, when the treatment is supported by the medical record and authorized under the treatment rules. Being permanent and stationary means the condition is not expected to change substantially, not that care ends. A report that recommends future medical care is the starting point for keeping that care available, whether through an award or a settlement that leaves medical open.
Who decides that I am MMI, and can I disagree?
The treating physician usually makes the first determination, and a qualified or agreed medical evaluator may address it in a medical-legal report. You can dispute a finding you believe is premature, but the dispute has to go through the correct procedure and within the applicable time limits. Continuing pain is not by itself a basis to reject the finding, so the objection should identify what the doctor missed.
Help for injured workers in Long Beach, Torrance, and Carson
Lee Partners Law represents injured workers in Long Beach, Torrance, and Carson as part of our Los Angeles County workers’ compensation practice. We review the report and the issues behind the offer so you can understand what you are being asked to resolve.
Before signing based on an MMI report you do not understand, call or text us for a free consultation. Have the report and any settlement offer available for the discussion.
Prefer to write? Use the contact form just below this article and we will get back to you.
