Moderate intellectual disabilities
In Intellectual Disabilities (F70-F79), chapter 5: Mental, Behavioral and Neurodevelopmental Disorders
- F71 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under F70-F79 below.
- As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
- Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
- AHRQ's Chronic Condition Indicator classes it as chronic: expected to last 12 months or longer and to limit daily life or need ongoing care.
Also indexed as: Disability, intellectual, moderate; Imbecile; I.Q., 35-49
Advertisements
Instructional notes
Includes: conditions that are coded here
- IQ level 35-40 to 50-55
- Moderate mental subnormality
Also applies, from Intellectual Disabilities (F70-F79)
These notes sit on F70-F79 and apply to every code under it, including F71.
Excludes1: not coded here, use a different code
- borderline intellectual functioning, IQ above 70 to 84 (R41.83)
Code first: code the underlying condition first, then this code
- any associated physical or developmental disorders
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers psychological pain disorders, substance use, abuse, dependence and remission, factitious disorder including Munchausen by proxy, and dementia severity.
- Pain disorders related to psychological factors (page 43)
- Mental and behavioral disorders due to psychoactive substance use (page 43)
- Factitious Disorder (page 44)
- Dementia (page 45)
Other codes under F70-F79
Intellectual Disabilities (F70-F79)
- F70Mild intellectual disabilities
- F71Moderate intellectual disabilities(this code)
- F72Severe intellectual disabilities
- F73Profound intellectual disabilities
- F78Other intellectual disabilities
- F79Unspecified intellectual disabilities
F71 MS-DRG
As the principal diagnosis, F71 groups to MS-DRG 884 (v44.0).
Related conditions
Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.
F71 is in Neurodevelopmental disorders (MBD014, its default category), with 57 codes. Others in it:
- F70 Mild intellectual disabilities
- F72 Severe intellectual disabilities
- F73 Profound intellectual disabilities
- F78.A1 SYNGAP1-related intellectual disability
- F78.A9 Other genetic related intellectual disability
- F79 Unspecified intellectual disabilities
- F80.0 Phonological disorder
- F80.1 Expressive language disorder
Medicare coverage articles listing F71
These 10 Medicare billing and coding articles list F71 as a diagnosis that supports medical necessity for the services they cover. From the CMS Medicare Coverage Database; check your own contractor's article before billing.
- Psychiatry and Psychology Services (2 contractors)
- MRI and CT Scans of the Head and Neck
- Outpatient Psychiatry and Psychology Services
- Outpatient Psychotherapy
- Psychiatric Codes
- Psychiatric Diagnostic Evaluation and Psychotherapy Services
- Psychiatric Inpatient Hospitalization
- Psychiatric Partial Hospitalization Programs
- Psychological and Neuropsychological Tests
- Vestibular and Audiologic Function Studies
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Developmental Disabilities
Developmental disabilities are conditions that are usually present at birth. They can affect a child's growth and development. These conditions can cause physical, learning, language, or behavior issues. They can include:
Read more about developmental disabilities on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
ICD-9-CM equivalent
Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).
- 318.0 Moderate intellectual disabilities
