2024 ICD-10-CM Diagnosis Code S04.899

Injury of other cranial nerves, unspecified side

ICD-10-CM Code:
S04.899
ICD-10 Code for:
Injury of other cranial nerves, unspecified side
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Injury, poisoning and certain other consequences of external causes
    (S00–T88)
    • Injuries to the head
      (S00-S09)
      • Injury of cranial nerve
        (S04)

S04.899 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of injury of other cranial nerves, unspecified side. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like S04.899 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding Applicable to Injury of other cranial nerves, unspecified side

Non-specific codes like S04.899 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for injury of other cranial nerves, unspecified side:

  • Use S04.899A for initial encounter - BILLABLE CODE

  • Use S04.899D for subsequent encounter - BILLABLE CODE

  • Use S04.899S for sequela - BILLABLE CODE

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Injury of glossopharyngeal nerve
  • Injury of hypoglossal nerve
  • Injury of otic ganglion
  • Injury of pneumogastric nerve
  • Injury of pterygopalatine ganglion
  • Injury of submandibular ganglion
  • Parasympathetic nerve injury
  • Parasympathetic nerve injury
  • Parasympathetic nerve injury

Coding Guidelines

The appropriate 7th character is to be added to each code from block Injury of cranial nerve (S04). Use the following options for the aplicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.