S04.9
Non-billableInjury of unspecified cranial nerve
Injury of unspecified cranial nerve
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- injuries of ear
- injuries of eye
- injuries of face [any part]
- injuries of gum
- injuries of jaw
- injuries of oral cavity
- injuries of palate
- injuries of periocular area
- injuries of scalp
- injuries of temporomandibular joint area
- injuries of tongue
- injuries of tooth
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •burns and corrosionsT20-T32
- •effects of foreign body in earT16
- •effects of foreign body in larynxT17.3
- •effects of foreign body in mouth NOST18.0
- •effects of foreign body in noseT17.0-T17.1
- •effects of foreign body in pharynxT17.2
- •effects of foreign body on external eyeT15
- •frostbiteT33-T34
- •insect bite or sting, venomousT63.4
Code First
The underlying condition must be sequenced before this code
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
- for any associated infection
- any associated:
- •open wound of headS01
- •skull fractureS02
Child Codes (3)
Related Codes(9)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(22)
UMLS
- CRANIAL NERVE INJC0273483
- Cranial Nerve InjuriesC0273483
- Cranial Nerve InjuryC0273483
- Cranial Neuropathies, TraumaticC0273483
- Cranial Neuropathy, TraumaticC0273483
- Cranial nerve injuriesC0273483
- Cranial nerve injuryC0273483
- Cranial nerve injury NOSC0273483
- Injuries, Cranial NerveC0273483
- Injury of cranial nerveC0273483
- Injury of cranial nerve (disorder)C0273483
- Injury of unspecified cranial nerveC0273483
- Injury to unspecified cranial nerveC0273483
- Injury, Cranial NerveC0273483
- Nerve Injuries, CranialC0273483
- Nerve Injury, CranialC0273483
- Neuropathies, Traumatic CranialC0273483
- Neuropathy, Traumatic CranialC0273483
- Traumatic Cranial NeuropathiesC0273483
- Traumatic Cranial NeuropathyC0273483
- cranial nerve injuriesC0273483
- cranial nerve injuryC0273483
Frequently Asked Questions
What is the ICD-10 code for injury of unspecified cranial nerve?
The ICD-10-CM code for injury of unspecified cranial nerve is S04.9. The full clinical description is "Injury of unspecified cranial nerve". S04.9 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code S04.9 mean?
ICD-10-CM code S04.9 represents “Injury of unspecified cranial nerve”. It is classified under Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes and is a non-billable header code. Use a more specific child code for billing purposes.
Is S04.9 a billable code?
No, S04.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under S04.9.
What chapter is S04.9 in?
S04.9 is in Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (codes S00-T88).
What codes cannot be used with S04.9?
S04.9 has Excludes1 notes indicating codes that cannot be used together with it, including: birth trauma (P10-P15); obstetric trauma (O70-O71).
What are the subcategories under S04.9?
S04.9 has 3 child codes, including: S04.9XXA (Injury of unspecified cranial nerve, initial encounter), S04.9XXD (Injury of unspecified cranial nerve, subsequent encounter), S04.9XXS (Injury of unspecified cranial nerve, sequela).
Are additional codes required with S04.9?
Yes, when using S04.9, also report: any retained foreign body, if applicable (Z18.-).
What are the UMLS CUIs for S04.9?
S04.9 is linked to 1 UMLS Concept Unique Identifier: C0273483. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does S04.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like injury of unspecified cranial nerve affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of S04.9?
S04.9 maps to the ICD-11 code: NA04.Z (Injury of cranial nerves, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.