ICD-10 F41.9
Billable / SpecificAnxiety disorder, unspecified
About ICD-10-CM F41.9
ICD-10-CM code F41.9 represents Anxiety disorder, unspecified. This is a billable/specific code in the Mental, Behavioral, and Neurodevelopmental chapter (block F41). The 2026 edition of ICD-10-CM F41.9 became effective on October 1, 2025.
Coding Tips for F41.9
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
Anxiety unspecified. Use F41.0 (panic disorder), F41.1 (generalized anxiety), F41.3 (other mixed anxiety) if the type is documented.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under F41.9. Per CMS ICD-10-CM Tabular 2026.
- Anxiety NOS
Medicare LCD Coverage for F41.9
Local Coverage Determinations (LCDs) from CMS MACs that list F41.9 as a covered diagnosis.
Showing top 10 of 216 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing F41.9.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with F41.9
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert F41.9 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 |
|---|---|---|
| F41.9 | 30000 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To F41.9
Other codes in section F40-F48 (Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders).
ICD-10 F41.9, Billing FAQ
Is ICD-10 code F41.9 billable? +
Yes, F41.9 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 F41.9? +
ICD-10 F41.9 includes: Anxiety NOS.
What CPT codes are commonly billed with F41.9? +
Procedures frequently paired with F41.9 include: 90834, 90837.
What ICD-9 codes does F41.9 map to? +
Per CMS GEMs, F41.9 maps to ICD-9 codes: 30000. 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 June 1, 2026.
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