Unspecified disorder of psychological development (F89) ICD-10-CM
The F89 code range covers unspecified disorder of psychological development with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Developmental disorder NOS
- Neurodevelopmental disorder NOS
Codes in the F89 Range 1 codes · 1 billable
- F89 Unspecified disorder of psychological development
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the F89 range.
Acanthosis Nigricans
A circumscribed melanosis consisting of a brown-pigmented, velvety verrucosity or fine papillomatosis appearing in the axillae and other body folds. It occurs in association with endocrine disorders, underlying malignancy, administration of certain drugs, or as in inherited disorder.
Achondroplasia
An autosomal dominant disorder that is the most frequent form of short-limb dwarfism. Affected individuals exhibit short stature caused by rhizomelic shortening of the limbs, characteristic facies with frontal bossing and mid-face hypoplasia, exaggerated lumbar lordosis, limitation of elbow extension, GENU VARUM, and trident hand. (Online Mendelian Inheritance in Man, http://www.ncbi.nlm.nih.gov/Omim, MIM#100800, April 20, 2001)
Insulin Resistance
Diminished effectiveness of INSULIN in lowering blood sugar levels: requiring the use of 200 units or more of insulin per day to prevent HYPERGLYCEMIA or KETOSIS.
Metabolic Syndrome
A cluster of symptoms that are risk factors for CARDIOVASCULAR DISEASES and TYPE 2 DIABETES MELLITUS. The major components of metabolic syndrome include ABDOMINAL OBESITY; atherogenic DYSLIPIDEMIA; HYPERTENSION; HYPERGLYCEMIA; INSULIN RESISTANCE; a proinflammatory state; and a prothrombotic (THROMBOSIS) state.
About the F89 Code Range
The ICD-10 code F89 is used for diagnosing an unspecified disorder of psychological development, covering a range of neurodevelopmental conditions when a precise diagnosis is not established. This code helps categorize developmental delays or abnormalities that affect psychological growth without linking to a specific known syndrome.
Unspecified disorder of psychological development (F89) applies when a child or individual shows signs of neurodevelopmental delay or impairment, such as speech delay, intellectual disability, or behavioral abnormalities, but lacks detailed clinical characterization. Synonyms like developmental delay syndrome, neurodevelopmental disorder, and developmental mental disorder all point toward conditions where typical psychological development is interrupted or delayed but cannot be further specified. This ICD-10 code assists medical coders and healthcare professionals in documenting cases where the developmental issues are clear but do not align perfectly with more defined diagnoses. Using the ICD-10 code for unspecified psychological development disorders ensures consistent reporting and recognition of these complex neurodevelopmental challenges.
Questions About This Page
How many billable codes are in the F89 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the F89 range classify?
The range classifies unspecified disorder of psychological development. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
