Skip to main content

S00.90 ICD-10-CM Code: Unspecified superficial injury of unspecified part of head

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Unspecified superficial injury of unspecified part of head is a non-billable ICD-10-CM category code (S00.90). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for S00.90 in the official ICD-10-CM tabular list.

Includes

Conditions the official ICD-10-CM tabular list includes 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

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

Code Also

Additional codes that may be required to fully describe the encounter.

  • for any associated infection

Indexed Clinical Terms (1)

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.

  • Injury, superficial NEC, head

Frequently Compared Codes

The official Excludes notes on S00.90 name these codes. Each comparison page covers when the two can — or must not — be reported together.

Change history

No changes recorded for this code — unchanged since the FY2016 baseline of the change ledger.

Verify Before Coding

  • Not billable as written — a more specific code is required.
  • Requires a 7th character. "The appropriate 7th character is to be added to each code from category S00" Options: S00.90XA, S00.90XD, S00.90XS

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Relationships & Classification

Other codes that name S00.90 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

1 Code First instructions: R65.1 (via S00.-).

1 Code Also instructions: G96.00 (via S00.-).

Contextual Map

Every relationship of S00.90 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • S00-T88 — Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) (S00-T88) [Hierarchy]

Referenced by Code First instructions

  • R65.1 — Systemic inflammatory response syndrome (SIRS) of non-infectious origin [Code First](via S00.-): “injury and trauma (S00-T88)” · check together

Referenced by Code Also instructions

  • G96.00 — Cerebrospinal fluid leak, unspecified [Code Also](via S00.-): “head injury (S00-S09)” · check together

Index entries

  • Injury, superficial NEC, head[Index term]

Nearest codes (40)

  • S00 — Superficial injury of head [Sibling]
  • S00.83XA — Contusion of other part of head, initial encounter [Sibling]
  • S00.83XD — Contusion of other part of head, subsequent encounter [Sibling]
  • S00.83XS — Contusion of other part of head, sequela [Sibling]
  • S00.84 — External constriction of other part of head [Sibling]
  • S00.84XA — External constriction of other part of head, initial encounter [Sibling]
  • S00.84XD — External constriction of other part of head, subsequent encounter [Sibling]
  • S00.84XS — External constriction of other part of head, sequela [Sibling]
  • and 32 more

Frequently Asked Questions (FAQ) & Clinical Guidance

Can S00.90 be billed directly?

No. S00.90 (Unspecified superficial injury of unspecified part of head) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Does S00.90 require a 7th character?

Yes. The appropriate 7th character is to be added to each code from category S00.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to S00.90 in its code family, with their registry titles.

  • S00.87 — Other superficial bite of other part of head
  • S00.87XA — Other superficial bite of other part of head, initial encounter
  • S00.87XD — Other superficial bite of other part of head, subsequent encounter
  • S00.87XS — Other superficial bite of other part of head, sequela
  • S00.9 — Superficial injury of unspecified part of head
  • S00.90XA — Unspecified superficial injury of unspecified part of head, initial encounter
  • S00.90XD — Unspecified superficial injury of unspecified part of head, subsequent encounter
  • S00.90XS — Unspecified superficial injury of unspecified part of head, sequela
  • S00.91 — Abrasion of unspecified part of head
  • S00.91XA — Abrasion of unspecified part of head, initial encounter

View all codes in the S00 family