ICD-10 R41.0
Billable / SpecificDisorientation, unspecified
About ICD-10-CM R41.0
ICD-10-CM code R41.0 represents Disorientation, unspecified. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R41). The 2026 edition of ICD-10-CM R41.0 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under R41.0. Per CMS ICD-10-CM Tabular 2026.
- Confusion NOS
- Delirium NOS
Type 1 Excludes
Pure excludes, these codes can never be coded together with R41.0. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- delirium due to known physiological condition (F05)
Medicare LCD Coverage for R41.0
Local Coverage Determinations (LCDs) from CMS MACs that list R41.0 as a covered diagnosis.
Showing top 10 of 328 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R41.0.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with R41.0
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 99205 New patient office visit — complex/high-risk: uncontrolled diabetes, heart failure, COPD exacerbation, cancer, MS, RA, CKD, CAD, recurrent depression, epilepsy, lupus, syncope, cognitive decline Primary Care
- 99215 Established patient — high complexity: HF exacerbation, COPD exacerbation, cancer management, MS, advanced CKD, uncontrolled diabetes, recurrent syncope, respiratory failure, liver cirrhosis Primary Care
- 70553 MRI brain with and without contrast — migraine, headache, encephalopathy, brain cancer, epilepsy, brain neoplasm, cognitive decline, MS, hydrocephalus, aphasia, numbness Radiology
- 70551 MRI brain without contrast — migraine, headache, encephalopathy, cognitive decline, MS, epilepsy, syncope, dizziness Radiology
- 95819 EEG awake and asleep — epilepsy, generalized seizures, absence seizures, focal seizures, seizure NOS, fasciculations, syncope, encephalopathy, cognitive decline, aphasia, migraine, headache, insomnia Neurology
- 95816 EEG awake only — epilepsy, seizures, encephalopathy, cognitive decline, syncope Neurology
Convert R41.0 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 |
|---|---|---|
| R41.0 | 78097 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R41.0
Other codes in section R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).
ICD-10 R41.0, Billing FAQ
Is ICD-10 code R41.0 billable? +
Yes, R41.0 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 R41.0? +
ICD-10 R41.0 includes: Confusion NOS; Delirium NOS.
What codes are Type 1 Excludes for R41.0? +
Type 1 Excludes (never code together with R41.0): delirium due to known physiological condition (F05)
What CPT codes are commonly billed with R41.0? +
Procedures frequently paired with R41.0 include: 99205, 99215, 70553, 70551, 95819.
What ICD-9 codes does R41.0 map to? +
Per CMS GEMs, R41.0 maps to ICD-9 codes: 78097. 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 July 16, 2026.
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