ICD-10 Code for Obsessive-compulsive Disorder (OCD)
The ICD-10-CM code for obsessive-compulsive disorder (OCD) is F42.9 — Obsessive-compulsive disorder, unspecified. It is billable for FY2027.
Obsessive-compulsive disorder ICD-10 codes at a glance
| Condition | Obsessive-compulsive disorder (OCD) |
|---|---|
| Code | F42.9 — Obsessive-compulsive disorder, unspecified |
| Billable | Yes (F42.9) |
| Alphabetic Index entry | Disorder, obsessive-compulsive |
| Code set | ICD-10-CM FY2027, valid October 1, 2026 – September 30, 2027 |
What changes the obsessive-compulsive disorder code?
The Alphabetic Index lists these qualifiers under Disorder, obsessive-compulsive. If the record documents one of them, the code changes. Verify the code in the Tabular List before reporting it.
| and related disorder due to a known physiological condition | F06.8 | Other specified mental disorders due to known physiological condition |
What does the Tabular List say about F42.9?
The instructional notes that govern F42.9, including those it inherits from its category and chapter. An Excludes1 note means the two codes are never reported together.
Excludes2 — not included here — inherited from Chapter 5
The conditions below are not part of F42.9, but a patient may have both at the same time. When documentation supports it, F42.9 and the excluded code may both be reported.
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Excludes2 — not included here — inherited from F42
The conditions below are not part of F42.9, but a patient may have both at the same time. When documentation supports it, F42.9 and the excluded code may both be reported.
Codes, descriptions and Index entries are from the official ICD-10-CM FY2027 release. Guideline text is quoted from the ICD-10-CM Official Guidelines for Coding and Reporting FY 2027. A code must always be verified in the Tabular List before it is reported. Data sources