Independent Medical Review (IMR) Update 2024, Q1

Case Decisions

Month Total Issued Average Age from
Assigned Date
(in days)
Average Age from
Complete Medical
Records (in days)
January 11,589 27 7
February 10,926 24 6
March 11,451 24 6
April      
May      
June      
July      
August      
September      
October      
November      
December      
Total 33,966 - -

"Average Age from Assigned Date" represents the average number of calendar days required to process an IMR from the date the Notice of Assignment and Request for Information (NOARFI) was mailed to the date the Final Determination Letter (FDL) was mailed.

"Average Age from Complete Medical Records" represents the average number of calendar days required to process an IMR from the date MAXIMUS received all necessary records to the date the FDL was mailed.

IMR Applications

Jan Feb Mar
Apr May Jun Jul 
Aug Sep Oct Nov Dec Total
Total Number of IMR Applications Received 15,031 15,351 16,062                   46,444
Total Number of Unique Applications 12,476 12,747 13,330                   38,553
Total Number of Eligible Applications 11,228 11,644 12,254                   35,126

Total IMR Applications are the gross number received by the IMRO in the given calendar month. Once duplicate filings have been identified and removed, those Unique Applications are screened for eligibility.

IMR Ineligible Applications

Eligible Applications are those accepted by the IMRO for review. Reasons for applications being found ineligible include: 

  • It lacks the signature of the injured worker (or representative);
  • It is not on time, that is, not submitted within 30 days of receipt of the UR decision;
  • The utilization review report is not attached to the application; or
  • The utilization review is invalid because it contains a conditionally noncertified (CNC)** decision.
Reason Total Count
Conditionally Non-Certified (CNC) 1,734
No Signature 279
No Signature & No UR 15
No UR Attached 625
Untimely 541
Other 233
Total 3,427

**Conditionally noncertified (CNC) decision: A UR decision that has been denied because the treating physician has not provided the medical information requested by the claims administrator that is required to make a medical necessity determination on the treatment recommendation.

Treatment Requests and Outcomes

“Treatment request” refers to the medical treatment that was denied in UR and challenged through the IMR process. IMR cases have at least one treatment, or may have more than one. Treatment requests are classified into broad categories and subcategories; specific detail is found in the Final Determination Letter.

  • Uphold – the IMRO decided that the disputed service was not medically necessary and appropriate.
  • Overturn – the IMRO decided that the disputed service is medically necessary and appropriate.

Category/Subcategory Number of
Decisions
UR
Upheld
UR
Overturned
ACCOMMODATION 64 89% 11%
BEHAVIORAL AND MENTAL HEALTH SERVICES 973 78% 22%
Evaluation & Management
204 78% 22%
Therapies
769 78% 22%
DIAGNOSTIC TESTING 6,900 83% 17%
EMG/NCV/NCS
833 84% 16%
Imaging, Radiology
4,116 84% 16%
Lab & Pathology
1,476 80% 20%
Other Diagnostic Tests
475 79% 21%
* DMEPOS 5,462 90% 10%
Durable Medical Equipment
1,787 93% 7%
Electrical Stimulation
1,335 93% 7%
Prosthetics / Orthotics
1,136 88% 12%
Supplies
1,204 86% 14%
EVALUATION & MANAGEMENT 2,767 78% 22%
Dental Services
256 56% 44%
Evaluation & Management
461 77% 23%
Medical Specialties
2,050 81% 19%
HOME HEALTH 336 90% 10%
INJECTIONS 5,374 90% 10%
Spine
2 100% 0%
Peripheral
2,792 89% 11%
Other Injection
2,580 92% 8%
PHARMACEUTICALS 18,648 90% 10%
Antidepressants 503 73% 27%
Anti-Epilepsy Drugs 1,685 90% 10%
Anti-Infectives 347 95% 5%
Benzodiazepines 229 93% 7%
Laxative 326 83% 17%
Muscle Relaxants 3,001 98% 2%
NSAIDs 1,885 77% 23%
Opioids 4,747 92% 8%
Sedative / Hypnotics 460 93% 7%
Topical Analgesics 3,089 92% 8%
Other Pharmaceuticals 2,376 84% 16%
PROGRAMS 871 79% 21%
REHABILIATION 12,438 91% 9%
Acupuncture
2,373 93% 7%
Chiropractic
1,401 90% 10%
Other Therapies
1,728 91% 9%
Physical Therapy / Occupational Therapy
6,936 91% 9%
SURGERY 4,130 87% 13%
Adjunct Surgical Services
1,543 91% 9%
Arthroscopic Surgery
785 84% 16%
Non-arthroscopic Surgery
1,463 84% 16%
Surgical Consult
339 92% 8%
TRANSPORTATION 141 95% 5%

*DMEPOS: Durable Medical Equipment, Prosthetics, Orthotics, and Supplies

April 2024