R44.3
✓ BillableHallucinations, unspecified
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • alcoholic hallucinations (F10.151, F10.251, F10.951)
- • hallucinations in drug psychosis (F11-F19 with fifth to sixth characters 51)
- • hallucinations in mood disorders with psychotic symptoms (F30.2, F31.5, F32.3, F33.3)
- • hallucinations in schizophrenia, schizotypal and delusional disorders (F20-F29)
Clinical Description
ICD-10-CM code R44.3 represents hallucinations, unspecified. This code falls under the Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that R44.3 has 4 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code R44.3?
ICD-10-CM code R44.3 is "Hallucinations, unspecified". It belongs to the category: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99).
Is R44.3 a billable ICD-10 code?
Yes, R44.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with R44.3?
R44.3 has 4 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can R44.3 be coded with other codes?
R44.3 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in R44
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)