ICD-10-CM Code S01.90
Unspecified open wound of unspecified part of head
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.7th Character Required
Code requires 7th Character Extension identifier. This 7th Character usually captures Episode of Care information, such as "Initial Encounter," "Subsquent Encounter," or "Sequela."ICD Code S01.90 is a non-billable code. To code a diagnosis of this type, you must use specify a 7th character that describes the diagnosis 'unspecified open wound of unspecified part of head' in more detail. The 7th characters that can be added, and the resulting billable codes, are as follows:
| 7th Digit | Billable Code | 7th Digit Specifies |
|---|---|---|
| A | S01.90XA | initial encounter |
| D | S01.90XD | subsequent encounter |
| S | S01.90XS | sequela |
What is 7th Character Extension?
For codes less than 6 characters that require a 7th character a placeholder 'X' should be assigned for all characters less than 6. The 7th character must always be the 7th position of a code. E.g. The ICD-10-CM code T67.4 (Heat exhaustion due to salt depletion) requires an Episode of Care identifier. T67.4XXA Initial Encounter or T67.4XXD Subsequent Encounter. More InfoThe ICD code S019 is used to code Penetrating head injury
A penetrating head injury, or open head injury, is a head injury in which the dura mater, the outer layer of the meninges, is breached. Penetrating injury can be caused by high-velocity projectiles or objects of lower velocity such as knives, or bone fragments from a skull fracture that are driven into the brain. Head injuries caused by penetrating trauma are serious medical emergencies and may cause permanent disability or death.
| Specialty: | Emergency Medicine |
| MeSH Code: | D020197 |
An 1868 illustration of the injury suffered by Phineas Gage, a railroad worker who had a tamping iron driven through his skull in an 1848 accident.
Related Concepts SNOMET-CT
- Subarachnoid hemorrhage following injury with open intracranial wound AND prolonged loss of consciousness (more than 24 hours) without return to pre-existing conscious level (disorder)
- Subarachnoid hemorrhage following injury with open intracranial wound, with no loss of consciousness (disorder)
- Multiple open fractures of skull AND/OR face with subarachnoid, subdural AND/OR extradural hemorrhage (disorder)
- Open skull fracture with subarachnoid, subdural AND/OR extradural hemorrhage (disorder)
- Intracranial hemorrhage following injury with open intracranial wound AND brief loss of consciousness (less than one hour) (disorder)
- Open fracture of vault of skull with intracranial injury, with no loss of consciousness (disorder)
- Open fracture of base of skull with intracranial injury (disorder)
- Cortex contusion with open intracranial wound AND concussion (disorder)
Coding Advice SNOMET-CT
- Episode of care information needed
- Consider additional code to identify specific condition or disease
- Possible requirement for an external cause code
ICD-10-CM Alphabetical Index References for 'S01.90 - Unspecified open wound of unspecified part of head'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code S01.90. Click on any term below to browse the alphabetical index.
Parent Code: S01.9 - Open wound of unspecified part of head