S90.9
Non-Billable

Unspecified superficial injury of ankle, foot and toe

Non-Billable / Non-Specific Code

What is Unspecified superficial injury of ankle, foot and toe?

ICD-10-CM S90.9 is the diagnosis code for Unspecified superficial injury of ankle, foot and toe. This code falls under the section "Injuries to the ankle and foot" 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 S90.9

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 S90.9 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
S90.91Unspecified superficial injury of ankleNon-BillableS90.911Unspecified superficial injury of right ankleBillableS90.912Unspecified superficial injury of left ankleBillableS90.919Unspecified superficial injury of unspecified ankleBillableS90.92Unspecified superficial injury of footNon-BillableS90.921Unspecified superficial injury of right footBillableS90.922Unspecified superficial injury of left footBillableS90.929Unspecified superficial injury of unspecified footBillableS90.93Unspecified superficial injury of toesNon-BillableS90.931Unspecified superficial injury of right great toeBillableS90.932Unspecified superficial injury of left great toeBillableS90.933Unspecified superficial injury of unspecified great toeBillableS90.934Unspecified superficial injury of right lesser toe(s)BillableS90.935Unspecified superficial injury of left lesser toe(s)BillableS90.936Unspecified superficial injury of unspecified lesser toe(s)Billable
Related Codes

Frequently Asked Questions

Is S90.9 a billable ICD-10-CM code?

No, S90.9 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S90.9 mean?

S90.9 is the ICD-10-CM diagnosis code for "Unspecified superficial injury of ankle, foot and toe". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S90.9?

The parent code of S90.9 is S90 ("Superficial injury of ankle, foot and toes"). S90.9 provides a more specific classification within this category.

What section is S90.9 in?

S90.9 is located in Section S90-S99 — "Injuries to the ankle and foot" within Chapter 19 of the ICD-10-CM Tabular List.

What are the sub-codes of S90.9?

S90.9 has 3 sub-code(s) that provide more specific detail: S90.91, S90.92, S90.93.

When should I use S90.9?

Use S90.9 when the patients documented diagnosis matches "Unspecified superficial injury of ankle, foot and toe" 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 Unspecified superficial injury of ankle, foot and toe?

The ICD-10-CM code for Unspecified superficial injury of ankle, foot and toe is S90.9.

Can S90.9 be used for primary diagnosis?

No, S90.9 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S90.9 in?

S90.9 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S90.9 valid for 2026?

Yes, S90.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS90.879Other superficial bite of unspecified footNext →S90.91Unspecified superficial injury of ankle
Code Details
S90.9
Unspecified superficial injury of ankle, foot and toe
Non-Billable / Non-Specific Code
19 — Injury, poisoning and certain other consequences of external causes (S00-T88)
S90-S99 — Injuries to the ankle and foot
2026 ICD-10-CM