According to the intellectual disability standards stipulated in the "Practical Assessment Standards for People with Disabilities in China".

1. Definition of intellectual disability

Intellectual disability refers to a person's intelligence being significantly lower than the average person's level and showing adaptive behavioral disorders.

Intellectual disability includes: mental retardation due to various reasons during the period of intellectual development; intellectual impairment due to various reasons after intellectual development matures and dementia caused by obvious decline of intelligence in old age.

2. Classification of intellectual disability

According to the classification standards of intellectual disability of the World Health Organization (WHO) and the American Association on Mental Retardation (AAMD), according to their intelligence quotient (IQ) and social adaptive behaviors to classify the grades of intellectual disability.

First-level intellectual disability (extremely severe): IQ value is below 20, and adaptive behavior level is extremely deficient;

Second-level intellectual disability (severe): IQ value is between 20 and 34, Severe deficits in adaptive behavior;

Level 3 intellectual disability (moderate): IQ value is 35-49, moderate deficits in adaptive behavior;

Level 4 intellectual disability (mild) ): IQ value is between 50 and 69, and adaptive behavior level is slightly defective.

Note: The IQ test uses the WeChsler Children's Intelligence Scale; intelligence quotient (IQ) refers to the ratio of mental age and actual age measured by a certain intelligence scale. Different intelligence tests have different IQs. Value, the main basis for diagnosis is social adaptive behavior.

Extended information:

Disability Certificate Application Process

1. Application;

2. Acceptance;

3. Disability assessment;

4. Preliminary review, filling and issuance;

5. Review, approval, filing;

6. Issuance, filing;

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7. Receive and save.

Disabled Persons Certificate adheres to the principle of voluntary application and local management. There is no production fee and the costs of disability identification and other expenses are borne by oneself.

Applicants applying for a disability certificate must hold one original and one copy of their ID card and household registration book, three recent two-inch color photos with white background and no hat, and the original disability medical record (required for some disability identification) , submit an application for a certificate to the Disabled Persons' Federation of the township, town, or sub-district office where your household registration is located. The township-level Disabled Persons' Federation will issue a stamped "Certificate Application Form" to applicants who meet the conditions for applying for a certificate. The applicant will go to the district with the "Application Form" The Disabled Persons' Federation went to the hospital to go through the relevant appraisal procedures.

If minors or persons with intellectual or mental disabilities apply for a certificate, they must be accompanied by a legal guardian to go through the relevant procedures and identification. At the same time, they must also provide 1 copy of the legal guardian’s ID card and household registration book. Zhang and supporting materials.

Central People's Government of China-Practical Assessment Standards for People with Disabilities in China