F793-char group
Unspecified mental retardation
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
[See before F70 for subdivisions] Incl.: mental: deficiency NOS subnormality NOS
Codes within F79
F79.0Unspecified mental retardation, with the statement of no, or minimal, impairment of behaviourF79.1Unspecified mental retardation, significant impairment of behaviour requiring attention or treatmentF79.8Unspecified mental retardation, other impairments of behaviourF79.9Unspecified mental retardation, without mention of impairment of behaviour