ICD-10 F89
Billable / SpecificUnspecified disorder of psychological development
About ICD-10-CM F89
ICD-10-CM code F89 represents Unspecified disorder of psychological development. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F89). The 2026 edition of ICD-10-CM F89 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F89. Per CMS ICD-10-CM Tabular 2026.
- Developmental disorder NOS
- Neurodevelopmental disorder NOS
Medicare LCD Coverage for F89
Local Coverage Determinations (LCDs) from CMS MACs that list F89 as a covered diagnosis.
Showing top 10 of 130 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F89.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with F89
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert F89 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| F89 | 3159 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F89
Other codes in section F80-F89 (Pervasive and specific developmental disorders).
ICD-10 F89, Billing FAQ
Is ICD-10 code F89 billable? +
Yes, F89 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to F89? +
ICD-10 F89 includes: Developmental disorder NOS; Neurodevelopmental disorder NOS.
What ICD-9 codes does F89 map to? +
Per CMS GEMs, F89 maps to ICD-9 codes: 3159. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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