R46.81 — Obsessive-compulsive behavior
Is R46.81 billable?
Yes — R46.81 is billable for FY2027. R46.81 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R46.81 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R46.81 at a glance
| Code | R46.81 |
|---|---|
| Description | Obsessive-compulsive behavior |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to R46.81?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name R46.81 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does R46.81 group to?
R46.81 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 951Other Factors Influencing Health Statusmedical
How is R46.81 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R46.81. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Behavior › obsessive-compulsive
Excludes1 — never code together
The conditions below can never be reported together with R46.81 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- obsessive-compulsive disorder (F42.-)
Excludes1 — never code together — inherited from R46
The conditions below can never be reported together with R46.81 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R46.81, but a patient may have both at the same time. When documentation supports it, R46.81 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R40-R46
The conditions below are not part of R46.81, but a patient may have both at the same time. When documentation supports it, R46.81 and the excluded code may both be reported.
- symptoms and signs constituting part of a pattern of mental disorder (F01-F99)
How long has R46.81 existed?
R46.81 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.