ICD-10-CM Code For Other And Unspecified Injuries Of Head: Group Overview

The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group S09 includes injuries of the head that are unspecified or classified as other specified head injuries, covering conditions such as unspecified head trauma, superficial injuries of the scalp, and other non-specific cranial injuries. These ICD-10-CM diagnosis codes are used to document clinical encounters for head trauma when more precise intracranial injury codes are not applicable, capturing aspects of injury location and acuity. Accurate coding within the ICD-10-CM S09 group supports proper claim adjudication, complete clinical documentation, and appropriate reimbursement.

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ICD-10-CM S09: Other And Unspecified Injuries Of Head Overview

The ICD-10-CM S09 diagnosis group captures injuries to the head that are either not specified elsewhere or categorized under other, less-specific head injury types. These codes target traumatic conditions affecting the scalp, skull, and intracranial area when a more specific diagnosis code is not assigned. Accurate coding matters because it ensures complete clinical documentation and supports appropriate claim processing and reimbursement for head injury care.

When to Use

Use a code from this group when a patient presents with head trauma or injury that cannot be more precisely classified by a specific intracranial injury or skull fracture code. These codes apply when documentation indicates an unspecified or other specified head injury without definitive diagnosis details.

ICD-10-CM Codes

69 rows

ICD-10-CM Code	Description
S09.0XXA	Injury of blood vessels of head, not elsewhere classified, initial encounter
S09.0XXD	Injury of blood vessels of head, not elsewhere classified, subsequent encounter
S09.0XXS	Injury of blood vessels of head, not elsewhere classified, sequela
S09.10XA	Unspecified injury of muscle and tendon of head, initial encounter
S09.10XD	Unspecified injury of muscle and tendon of head, subsequent encounter
S09.10XS	Unspecified injury of muscle and tendon of head, sequela
S09.11XA	Strain of muscle and tendon of head, initial encounter
S09.11XD	Strain of muscle and tendon of head, subsequent encounter
S09.11XS	Strain of muscle and tendon of head, sequela
S09.12XA	Laceration of muscle and tendon of head, initial encounter
S09.12XD	Laceration of muscle and tendon of head, subsequent encounter
S09.12XS	Laceration of muscle and tendon of head, sequela
S09.19XA	Other specified injury of muscle and tendon of head, initial encounter
S09.19XD	Other specified injury of muscle and tendon of head, subsequent encounter
S09.19XS	Other specified injury of muscle and tendon of head, sequela
S09.20XA	Traumatic rupture of unspecified ear drum, initial encounter
S09.20XD	Traumatic rupture of unspecified ear drum, subsequent encounter
S09.20XS	Traumatic rupture of unspecified ear drum, sequela
S09.21XA	Traumatic rupture of right ear drum, initial encounter
S09.21XD	Traumatic rupture of right ear drum, subsequent encounter

Showing 1–20 of 69

DRG Codes

20 rows

DRG Code	Description
011	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
012	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
013	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
154	Other Ear, Nose, Mouth and Throat Diagnoses with MCC
155	Other Ear, Nose, Mouth and Throat Diagnoses with CC
156	Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC
299	Peripheral Vascular Disorders with MCC
300	Peripheral Vascular Disorders with CC
301	Peripheral Vascular Disorders without CC/MCC
562	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCC
563	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCC
604	Trauma to the Skin, Subcutaneous Tissue and Breast with MCC
605	Trauma to the Skin, Subcutaneous Tissue and Breast without MCC
913	Traumatic Injury with MCC
914	Traumatic Injury without MCC
949	Aftercare with CC/MCC
950	Aftercare without CC/MCC
963	Other Multiple Significant Trauma with MCC
964	Other Multiple Significant Trauma with CC
965	Other Multiple Significant Trauma without CC/MCC

Related Codes

S00-SUPERFICIAL-INJURY-OF-HEAD

ICD-10-CM Code For Superficial Injury Of Head: Group Overview

S01-OPEN-WOUND-OF-HEAD

ICD-10-CM Code For Open Wound Of Head: Group Overview

S02-FRACTURE-OF-SKULL-AND-FACIAL-BONES

ICD-10-CM Code For Fracture Of Skull And Facial Bones: Group Overview

S03-DISLOCATION-AND-SPRAIN-OF-HEAD

ICD-10-CM Code For Dislocation And Sprain Of Joints And Ligaments Of Head: Group Overview

S04-INJURY-OF-CRANIAL-NERVE

ICD-10-CM Code For Injury Of Cranial Nerve: Group Overview

S05-INJURY-OF-EYE-AND-ORBIT

ICD-10-CM Code For Injury Of Eye And Orbit: Group Overview

S06-INTRACRANIAL-INJURY

ICD-10-CM Code For Intracranial Injury: Group Overview

S07-CRUSHING-INJURY-OF-HEAD

ICD-10-CM Code For Crushing Injury Of Head: Group Overview

S08-AVULSION-AND-TRAUMATIC-AMPUTATION

ICD-10-CM Code For Avulsion And Traumatic Amputation Of Part Of Head: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-CM Codes

69 rows

ICD-10-CM Code	Description
S09.0XXA	Injury of blood vessels of head, not elsewhere classified, initial encounter
S09.0XXD	Injury of blood vessels of head, not elsewhere classified, subsequent encounter
S09.0XXS	Injury of blood vessels of head, not elsewhere classified, sequela
S09.10XA	Unspecified injury of muscle and tendon of head, initial encounter
S09.10XD	Unspecified injury of muscle and tendon of head, subsequent encounter
S09.10XS	Unspecified injury of muscle and tendon of head, sequela
S09.11XA	Strain of muscle and tendon of head, initial encounter
S09.11XD	Strain of muscle and tendon of head, subsequent encounter
S09.11XS	Strain of muscle and tendon of head, sequela
S09.12XA	Laceration of muscle and tendon of head, initial encounter
S09.12XD	Laceration of muscle and tendon of head, subsequent encounter
S09.12XS	Laceration of muscle and tendon of head, sequela
S09.19XA	Other specified injury of muscle and tendon of head, initial encounter
S09.19XD	Other specified injury of muscle and tendon of head, subsequent encounter
S09.19XS	Other specified injury of muscle and tendon of head, sequela
S09.20XA	Traumatic rupture of unspecified ear drum, initial encounter
S09.20XD	Traumatic rupture of unspecified ear drum, subsequent encounter
S09.20XS	Traumatic rupture of unspecified ear drum, sequela
S09.21XA	Traumatic rupture of right ear drum, initial encounter
S09.21XD	Traumatic rupture of right ear drum, subsequent encounter

Showing 1–20 of 69

DRG Codes

20 rows

DRG Code	Description
011	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
012	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
013	Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
154	Other Ear, Nose, Mouth and Throat Diagnoses with MCC
155	Other Ear, Nose, Mouth and Throat Diagnoses with CC
156	Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC
299	Peripheral Vascular Disorders with MCC
300	Peripheral Vascular Disorders with CC
301	Peripheral Vascular Disorders without CC/MCC
562	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh with MCC
563	Fracture, Sprain, Strain and Dislocation Except Femur, Hip, Pelvis and Thigh without MCC
604	Trauma to the Skin, Subcutaneous Tissue and Breast with MCC
605	Trauma to the Skin, Subcutaneous Tissue and Breast without MCC
913	Traumatic Injury with MCC
914	Traumatic Injury without MCC
949	Aftercare with CC/MCC
950	Aftercare without CC/MCC
963	Other Multiple Significant Trauma with MCC
964	Other Multiple Significant Trauma with CC
965	Other Multiple Significant Trauma without CC/MCC

Related Codes

S00-SUPERFICIAL-INJURY-OF-HEAD

ICD-10-CM Code For Superficial Injury Of Head: Group Overview

S01-OPEN-WOUND-OF-HEAD

ICD-10-CM Code For Open Wound Of Head: Group Overview

S02-FRACTURE-OF-SKULL-AND-FACIAL-BONES

ICD-10-CM Code For Fracture Of Skull And Facial Bones: Group Overview

S03-DISLOCATION-AND-SPRAIN-OF-HEAD

ICD-10-CM Code For Dislocation And Sprain Of Joints And Ligaments Of Head: Group Overview

S04-INJURY-OF-CRANIAL-NERVE

ICD-10-CM Code For Injury Of Cranial Nerve: Group Overview

S05-INJURY-OF-EYE-AND-ORBIT

ICD-10-CM Code For Injury Of Eye And Orbit: Group Overview

S06-INTRACRANIAL-INJURY

ICD-10-CM Code For Intracranial Injury: Group Overview

S07-CRUSHING-INJURY-OF-HEAD

ICD-10-CM Code For Crushing Injury Of Head: Group Overview

S08-AVULSION-AND-TRAUMATIC-AMPUTATION

ICD-10-CM Code For Avulsion And Traumatic Amputation Of Part Of Head: Group Overview

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-CM Code For Other And Unspecified Injuries Of Head: Group Overview

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ICD-10-CM S09: Other And Unspecified Injuries Of Head Overview

ICD-10-CM Code For Other And Unspecified Injuries Of Head: Group Overview

Sign up for ICD-10-CM Code For Other And Unspecified Injuries Of Head: Group Overview policy alerts

ICD-10-CM S09: Other And Unspecified Injuries Of Head Overview

When to Use

ICD-10-CM Codes

DRG Codes

Related Codes

When should I use codes from ICD-10-CM group `S09`?

How do encounter designations work for `S09` codes (initial, subsequent, sequela)?

Which body sites are specifically represented within the `S09` code list?

How does accurate use of `S09` codes affect reimbursement and claims processing?

Can `S09` codes indicate laterality and specific injury types?

References

When to Use

ICD-10-CM Codes

DRG Codes

Related Codes

When should I use codes from ICD-10-CM group `S09`?

How do encounter designations work for `S09` codes (initial, subsequent, sequela)?

Which body sites are specifically represented within the `S09` code list?

How does accurate use of `S09` codes affect reimbursement and claims processing?

Can `S09` codes indicate laterality and specific injury types?

References