S00.4
Non-Billable

Superficial injury of ear

Non-Billable / Non-Specific Code

What is Superficial injury of ear?

ICD-10-CM S00.4 is the diagnosis code for Superficial injury of ear. This code falls under the section "Injuries to the head" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for S00.4

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where S00.4 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 8 entries
S00.40Unspecified superficial injury of earNon-BillableS00.401Unspecified superficial injury of right earBillableS00.402Unspecified superficial injury of left earBillableS00.409Unspecified superficial injury of unspecified earBillableS00.41Abrasion of earNon-BillableS00.411Abrasion of right earBillableS00.412Abrasion of left earBillableS00.419Abrasion of unspecified earBillableS00.42Blister (nonthermal) of earNon-BillableS00.421Blister (nonthermal) of right earBillableS00.422Blister (nonthermal) of left earBillableS00.429Blister (nonthermal) of unspecified earBillableS00.43Contusion of earNon-BillableS00.431Contusion of right earBillableS00.432Contusion of left earBillableS00.439Contusion of unspecified earBillableS00.44External constriction of earNon-BillableS00.441External constriction of right earBillableS00.442External constriction of left earBillableS00.449External constriction of unspecified earBillableS00.45Superficial foreign body of earNon-BillableS00.451Superficial foreign body of right earBillableS00.452Superficial foreign body of left earBillableS00.459Superficial foreign body of unspecified earBillableS00.46Insect bite (nonvenomous) of earNon-BillableS00.461Insect bite (nonvenomous) of right earBillableS00.462Insect bite (nonvenomous) of left earBillableS00.469Insect bite (nonvenomous) of unspecified earBillableS00.47Other superficial bite of earNon-BillableS00.471Other superficial bite of right earBillableS00.472Other superficial bite of left earBillableS00.479Other superficial bite of unspecified earBillable
Related Codes

Frequently Asked Questions

Is S00.4 a billable ICD-10-CM code?

No, S00.4 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S00.4 mean?

S00.4 is the ICD-10-CM diagnosis code for "Superficial injury of ear". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S00.4?

The parent code of S00.4 is S00 ("Superficial injury of head"). S00.4 provides a more specific classification within this category.

What section is S00.4 in?

S00.4 is located in Section S00-S09 — "Injuries to the head" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of S00.4?

S00.4 has 8 sub-code(s) that provide more specific detail: S00.40, S00.41, S00.42, S00.43, S00.44 and more.

When should I use S00.4?

Use S00.4 when the patients documented diagnosis matches "Superficial injury of ear" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Superficial injury of ear?

The ICD-10-CM code for Superficial injury of ear is S00.4.

Can S00.4 be used for primary diagnosis?

No, S00.4 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S00.4 in?

S00.4 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S00.4 valid for 2026?

Yes, S00.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS00.37Other superficial bite of noseNext →S00.40Unspecified superficial injury of ear
Code Details
S00.4
Superficial injury of ear
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
S00-S09 — Injuries to the head
2026 ICD-10-CM