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3. Chapter - S00-T88
4. Section - S00-S09
5. Category - S04
6. S04.81

S04.81 - Injury of olfactory [1st ] nerve

• Applicable to Injury of olfactory [1st ] nerve
• The 2025 edition of ICD10-CM S04.81 became effective on October 1, 2024.
• This is the American ICD10-CM version of S04.81 - other international versions of ICD10 S04.81 may differ.
• S04.81 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• S04.81 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

The following codes above S04.81 contain annotation back-references that may be applicable to S04.81:

• Chapter: S00-T88 - Injury, poisoning and certain other consequences of external causes
• Section: S00-S09 - Injuries to the head
• Category: S04 - Injury of cranial nerve

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.