Chronic-disease-cohorts-mental-health-diagnosis

Field Definitions Add to compare

INDICATOR NAME

Name

Chronic disease cohorts-mental health diagnosis

Alternate Name

Chronic disease cohorts-mental health diagnosis

INDICATOR DESCRIPTION

Description

Percentage of patients with a mental health diagnosis by the physician, group, LHIN and the province.

Indicator Status

Active

HQO Reporting tool/product

Personalized/Custom Reports (includes Practice Reports)

Dimension

Equitable

Type

Outcome

DEFINITION AND SOURCE INFORMATION

Unit of Measurement

Percentage

Calculation Methods

Numerator/ Denominator * 100

Numerator including inclusion/exclusion

Number of patients with MH diagnosis by the physician, group, LHIN, and the province

Denominator including inclusion/exclusion

Total number of patients by the physician or group or LHIN or the province as of March 31st the previous year

Adjustment (risk, age/sex standardization)- detailed

This data is unadjusted. Unadjusted data reports the physician’s actual practice data. This is useful for comparing one’s own data over time.

Data Source

Discharge Abstract Database (DAD), Ontario Health Insurance Plan (OHIP) Claims History Database

Data provided to HQO by

Institute for Clinical Evaluative Sciences (ICES)

OTHER RELEVANT INFORMATION

Caveats and Limitations

Does not capture patients whose date of last contact not within 7 years of index

Comments Detailed

An individual is said to have a mental health diagnosis if they have 2 claims in OHIP over 2 years or 1 hospitalization with one of the following codes mental health service codes- K005, K007, K623, ICD--295x, 96x 297x, 298x, 300x, 301x, 302x, 306x, 309x, 311x, 303x. 304x, V61.10, V61.1, V61.2, V61.3, V61.3, V61.03, V62.4, V62.2, V62.5 or one of the following OHIP codes- 897, 898, 899, 900, 901,902, 904, 905, 906 or one of the following ICD-10 codes F10-F99 (exclude dementia and delirium and F50.0 , F50.1 , F50.2, F50.3, F50.8, F50.9) Further information on how this cohort was generated: The case-definition algorithm to identify patients with a mental health diagnosis links different databases at ICES DAD and OHIP and is based on having two physician billing claims in OHIP over 2 years or one hospitalization with one of the listed mental health service codes (ICD 9 codes: for mental health services: K005, K007, K623; psychotic disorders (excluding dementia and delirium): 295x, 296x 297x, 298x; non-psychotic disorders: 300x, 301x, 302x, 306x, 309x, 311x; substance-use disorders: 303x. 304x; other family circumstances or social problems: V61.10, V61.1, V61.2, V61.3, V61.3, V61.03, V62.4, V62.2, V62.5 or 897, 898, 899, 900, 901,902, 904, 905, 906; 909 ICD 10 codes: F10-F99 (excluding dementia and delirium and F50.0, F50.1, F50.2, F50.3, F50.8, F50.9)). The administrative data case-definition algorithm for mental health has a sensitivity of 81%, a specificity of 97%, and a PPV of 85%.4