F79Billable / specificCurrent

Unspecified intellectual disabilities

Reference checks do not establish clinical appropriateness or guarantee reimbursement.

HierarchyF70-F79 · F79

Code-level instructions

Inclusion terms

Mental deficiency NOS
Mental subnormality NOS

Inherited instructions

F70-F79 · Intellectual Disabilities (F70-F79)

Excludes 1

borderline intellectual functioning, IQ above 70 to 84 (R41.83)

Code first

any associated physical or developmental disorders

Chapters 5 · Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

Includes

disorders of psychological development

Excludes 2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Code history

No recorded change since first observation

ChangedUnchanged

FY2016

Effective from 2015-10-01

First observed

Unspecified intellectual disabilities

Billable diagnosis code

CDC/NCHS · FY2016

All editions (19)

All editions	Effective from	Code history
FY2016	2015-10-01	First observed
FY2017	2016-10-01	No tabular change
FY2018	2017-10-01	No tabular change
FY2019	2018-10-01	No tabular change
FY2020	2019-10-01	No tabular change
FY2020 · April	2020-04-01	No tabular change
FY2021	2020-10-01	No tabular change
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	No tabular change
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Historical ICD-9 mappings · 2018

Historical mapping only; not an automatic code substitution.

319 · Approximate

Code edition