F34.1 — Dysthymic disorder
F34.1 is a billable, specific ICD-10-CM code for dysthymic disorder. It is valid for submission on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- anxiety depression (mild or not persistent) (F41.8)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Depressive neurosis
- Depressive personality disorder
- Dysthymia
- Neurotic depression
- Persistent anxiety depression
- Persistent depressive disorder
Risk adjustment
F34.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
F34.1 is named in 13 Medicare coverage policies — 12 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56756Billing and Coding: Home Health - Psychiatric Care
- A56818Billing and Coding: Urine Drug Testing
How F34.1 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to F34.1.
- Dysthymia
- Depression›nervous
- Depression›neurotic
- Depression›psychoneurotic
- Disorder›dysthymic
- Neurosis, neurotic›depressive(reaction) (type)
- Personality›depressive
- Personality›hypothymic
- Reaction›neurotic-depressive
- Depression›anxiety›persistent
- Disorder›depressive›persistent
- Disorder›personality›depressive
Related codes at this level
Codes that share F34. If F34.1 is not quite right, the correct code is usually one of these.
Questions about F34.1
- Is F34.1 a billable ICD-10-CM code?
- Yes. F34.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does F34.1 sit in the tabular list?
- Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Mood [affective] disorders (F30-F39).