S90.55
Non-Billable

Superficial foreign body of ankle

Non-Billable / Non-Specific Code

What is Superficial foreign body of ankle?

ICD-10-CM S90.55 is the diagnosis code for Superficial foreign body of ankle. 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.

💡 Inclusions

Coding Guidelines for S90.55

✅ This Code Includes

  • Splinter in the ankle

ICD-10-CM Code Hierarchy

Understanding where S90.55 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
S90.551Superficial foreign body, right ankleBillableS90.552Superficial foreign body, left ankleBillableS90.559Superficial foreign body, unspecified ankleBillable
Related Codes

Frequently Asked Questions

Is S90.55 a billable ICD-10-CM code?

No, S90.55 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S90.55 mean?

S90.55 is the ICD-10-CM diagnosis code for "Superficial foreign body of ankle". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S90.55?

The parent code of S90.55 is S90.5 ("Other superficial injuries of ankle"). S90.55 provides a more specific classification within this category.

What section is S90.55 in?

S90.55 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 S90.55?

S90.55 has 3 sub-code(s) that provide more specific detail: S90.551, S90.552, S90.559.

When should I use S90.55?

Use S90.55 when the patients documented diagnosis matches "Superficial foreign body of ankle" 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 foreign body of ankle?

The ICD-10-CM code for Superficial foreign body of ankle is S90.55.

Can S90.55 be used for primary diagnosis?

No, S90.55 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S90.55 in?

S90.55 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S90.55 valid for 2026?

Yes, S90.55 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS90.549External constriction, unspecified ankleNext →S90.551Superficial foreign body, right ankle
Code Details
S90.55
Superficial foreign body of ankle
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