Partial Hospitalization denials in California external review

In the California DMHC record, independent physician reviewers decided 55 published external-review cases involving Partial Hospitalizationand overturned the plan’s denial in 54.5%. That is a historical result among cases that reached this program, not a forecast for an individual appeal.

California DMHC decisions
55
2002–2026
Overturned
54.5%
30 denials reversed

Conditions behind Partial Hospitalization denials

What insurers denied — and how those fights ended.
CategoryDecisionsOverturned
Depression9
44.4%
Eating Disorder9
66.7%
Bulimia Nervosa8
75%
Autism Spectrum Disorder5
40%
Alcohol Use Disorder4
50%
Anorexia Nervosa4
75%
Post-traumatic Stress Disorder3
100%
Typical time to a decision
18 days
Most land between 5 and 21 days
Handled as urgent
32.7%
Expedited when a delay would cause harm

What the reviewers wrote

Excerpts from the independent reviewers’ published findings — the actual reasoning, quoted, not summarised.

Where the denial was overturned

A 20-year-old female enrollee has requested acute inpatient services, residential treatment services, and partial hospitalization services for treatment of her eating disorder. Findings: The physician reviewer found that the submitted medical documentation indicates that the severity of the patient’s eating disorder and restrictive behavior was well documented on admission to the acute inpatient treatment facility. Physical exam noted dehydration and lanugo. She presented with severe distortion of body image, an intense desire for thinness and preoccupation with thoughts of being overweight. However, after approximately three weeks, the patient had experienced some improvement, as her weight was 99% of ideal body weight. Additionally, her vital signs were stable, an NG tube was not required, suicidal ideation was not present, and there was no documentation of severe mood disturbance.
Medical Necessity · 2010 · IMR MN10-11231
Nature of Statutory Criteria/Case Summary: An enrollee has requested reimbursement for partial hospitalization services. The submitted documentation supports the medical necessity of the services at issue. This patient reported an early age of first use. His alcohol use was complicated by a history of cancer and co-occurring depression and anxiety. This is of particular relevance since it has been well-established that anxiety-ridden mood disorders, without the complication of addictive illness, are difficult to treat and in general have poorer outcomes. Notwithstanding, the patient’s alcohol use and psychiatric symptoms were impairing his daily routine and contributing to significant impairment across multiple domains of functionality. He was drinking a 12-pack or more on a daily basis. He had history of withdrawal symptoms.
Medical Necessity · 2018 · IMR MN18-28648

Where the denial was upheld

Worth reading too — these show what an appeal has to overcome.
Findings: The physician reviewer found that Nature of Statutory Criteria/Case Summary: The parents of a patient requested reimbursement for the partial hospitalization services provided. Two authorities on childcare have unified the Child and Adolescent Level of Care Utilization System (CALOCUS) and the Child and Adolescent Service Intensity Instrument (CASII) into a single instrument, the Child and Adolescent Level of Care/Service Intensity Utilization System (CALOCUS-CASII). This instrument is a standardized tool used to determine the intensity of services needed for children and adolescents, 6-18 years of age, presenting with psychiatric, substance use, medical, and/or developmental concerns. Using CALOCUS-CASII, providers score patients on a scale of 1-5 using a six-pronged Dimensional Rating System.
Medical Necessity · 2023 · IMR MN23-39360
Nature of Statutory Criteria/Case Summary: The parent of an enrollee has requested reimbursement and prospective authorization and coverage for partial hospitalization services. Findings: The physician reviewer found that The submitted documentation fails to demonstrate the medical necessity of the services at issue. The Child and Adolescent Level of Care Utilization System (CALOCUS) is an accepted, national standard for determining the appropriate level of care for children and adolescents. Based on CALOCUS, the patient did not meet the criteria for partial hospitalization services during the dates of service in dispute. In terms of risk of harm, the records support a score of 2. The patient did not have reported suicidal ideation during the dates in question, although she did have impulsivity and temper tantrums. With regards to functional status, the records support a score of 3.
Medical Necessity · 2017 · IMR MN17-27190

Figures and quotations on this page come from 42,749 published decisions in the California DMHC Independent Medical Review dataset. These are California external-review outcomes. Other state and federal programs have different eligibility rules, processes, and current availability; the rates here do not transfer to those programs or predict an individual result. Excerpts are quoted verbatim from the public record and describe this treatment generally, not any individual case.

Related guide

Compare residential, PHP, IOP, inpatient, and withdrawal-management disputes without mixing TMS into the facility-intensity denominator: behavioral-health level-of-care evidence guide.

How to use this in your appeal

These outcomes describe eligible cases completed through California DMHC’s Independent Medical Review program. They do not estimate the chance that an internal appeal, an external review in another jurisdiction, or your individual case will succeed. Use the record to identify evidence patterns involving Partial Hospitalization, then check the rights and deadlines that apply to your plan.

SOURCE: CALIFORNIA DMHC INDEPENDENT MEDICAL REVIEW OUTCOMES (CHHS OPEN DATA) · AGGREGATES + DEIDENTIFIED DECISION EXCERPTS/REFERENCE IDS · METHODOLOGY

Not legal or medical advice. Coverage Rights is a self-help tool that helps you prepare your own appeal. For advice about your specific situation, talk to a licensed attorney or your doctor.

Denied Partial Hospitalization? Use the California record to prepare.

Explain my denial — freeStart my appeal · $39