R41.0 — Disorientation, unspecified
Is R41.0 billable?
Yes, but R41.0 is an unspecified code. R41.0 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, R41.0 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting R41.0 — the more specific alternatives are listed below.
R41.0 at a glance
| Code | R41.0 |
|---|---|
| Description | Disorientation, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R41.0 group to?
R41.0 sits in MDC 23 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 947Signs and Symptoms with MCCmedical
- 948Signs and Symptoms without MCCmedical
How is R41.0 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R41.0. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Confusion, confused
- Delirium, delirious (acute or subacute) (not alcohol- or drug-induced)
- Disorientation
- Confusion, confused › acute
- Delirium, delirious › due to › unknown etiology (acute or subacute) (not alcohol- or drug-induced)
- Symptoms NEC › involving › awareness › disorientation
- Symptoms NEC › involving › cognitive functions › disorientation
Excludes1 — never code together
The conditions below can never be reported together with R41.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- delirium due to known physiological condition (F05)
Inclusion terms
Alternative wording in documentation that is classified to R41.0.
- Confusion NOS
- Delirium NOS
Excludes1 — never code together — inherited from R41
The conditions below can never be reported together with R41.0 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 R41.0, but a patient may have both at the same time. When documentation supports it, R41.0 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R40-R46
The conditions below are not part of R41.0, but a patient may have both at the same time. When documentation supports it, R41.0 and the excluded code may both be reported.
- symptoms and signs constituting part of a pattern of mental disorder (F01-F99)
How long has R41.0 existed?
R41.0 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.
Which codes are confused with R41.0?
ICD-10-CM declares these codes mutually exclusive with R41.0 — exactly one of each pair can be correct for a given encounter.