S91.2
Non-Billable

Open wound of toe with damage to nail

Non-Billable / Non-Specific Code

What is Open wound of toe with damage to nail?

ICD-10-CM S91.2 is the diagnosis code for Open wound of toe with damage to nail. 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 S91.2

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 S91.2 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 6 entries
S91.20Unspecified open wound of toe with damage to nailNon-BillableS91.201Unspecified open wound of right great toe with damage to nailBillableS91.202Unspecified open wound of left great toe with damage to nailBillableS91.203Unspecified open wound of unspecified great toe with damage to nailBillableS91.204Unspecified open wound of right lesser toe(s) with damage to nailBillableS91.205Unspecified open wound of left lesser toe(s) with damage to nailBillableS91.206Unspecified open wound of unspecified lesser toe(s) with damage to nailBillableS91.209Unspecified open wound of unspecified toe(s) with damage to nailBillableS91.21Laceration without foreign body of toe with damage to nailNon-BillableS91.211Laceration without foreign body of right great toe with damage to nailBillableS91.212Laceration without foreign body of left great toe with damage to nailBillableS91.213Laceration without foreign body of unspecified great toe with damage to nailBillableS91.214Laceration without foreign body of right lesser toe(s) with damage to nailBillableS91.215Laceration without foreign body of left lesser toe(s) with damage to nailBillableS91.216Laceration without foreign body of unspecified lesser toe(s) with damage to nailBillableS91.219Laceration without foreign body of unspecified toe(s) with damage to nailBillableS91.22Laceration with foreign body of toe with damage to nailNon-BillableS91.221Laceration with foreign body of right great toe with damage to nailBillableS91.222Laceration with foreign body of left great toe with damage to nailBillableS91.223Laceration with foreign body of unspecified great toe with damage to nailBillableS91.224Laceration with foreign body of right lesser toe(s) with damage to nailBillableS91.225Laceration with foreign body of left lesser toe(s) with damage to nailBillableS91.226Laceration with foreign body of unspecified lesser toe(s) with damage to nailBillableS91.229Laceration with foreign body of unspecified toe(s) with damage to nailBillableS91.23Puncture wound without foreign body of toe with damage to nailNon-BillableS91.231Puncture wound without foreign body of right great toe with damage to nailBillableS91.232Puncture wound without foreign body of left great toe with damage to nailBillableS91.233Puncture wound without foreign body of unspecified great toe with damage to nailBillableS91.234Puncture wound without foreign body of right lesser toe(s) with damage to nailBillableS91.235Puncture wound without foreign body of left lesser toe(s) with damage to nailBillableS91.236Puncture wound without foreign body of unspecified lesser toe(s) with damage to nailBillableS91.239Puncture wound without foreign body of unspecified toe(s) with damage to nailBillableS91.24Puncture wound with foreign body of toe with damage to nailNon-BillableS91.241Puncture wound with foreign body of right great toe with damage to nailBillableS91.242Puncture wound with foreign body of left great toe with damage to nailBillableS91.243Puncture wound with foreign body of unspecified great toe with damage to nailBillableS91.244Puncture wound with foreign body of right lesser toe(s) with damage to nailBillableS91.245Puncture wound with foreign body of left lesser toe(s) with damage to nailBillableS91.246Puncture wound with foreign body of unspecified lesser toe(s) with damage to nailBillableS91.249Puncture wound with foreign body of unspecified toe(s) with damage to nailBillableS91.25Open bite of toe with damage to nailNon-BillableS91.251Open bite of right great toe with damage to nailBillableS91.252Open bite of left great toe with damage to nailBillableS91.253Open bite of unspecified great toe with damage to nailBillableS91.254Open bite of right lesser toe(s) with damage to nailBillableS91.255Open bite of left lesser toe(s) with damage to nailBillableS91.256Open bite of unspecified lesser toe(s) with damage to nailBillableS91.259Open bite of unspecified toe(s) with damage to nailBillable
Related Codes

Frequently Asked Questions

Is S91.2 a billable ICD-10-CM code?

No, S91.2 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S91.2 mean?

S91.2 is the ICD-10-CM diagnosis code for "Open wound of toe with damage to nail". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of S91.2?

The parent code of S91.2 is S91 ("Open wound of ankle, foot and toes"). S91.2 provides a more specific classification within this category.

What section is S91.2 in?

S91.2 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 S91.2?

S91.2 has 6 sub-code(s) that provide more specific detail: S91.20, S91.21, S91.22, S91.23, S91.24 and more.

When should I use S91.2?

Use S91.2 when the patients documented diagnosis matches "Open wound of toe with damage to nail" 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 Open wound of toe with damage to nail?

The ICD-10-CM code for Open wound of toe with damage to nail is S91.2.

Can S91.2 be used for primary diagnosis?

No, S91.2 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S91.2 in?

S91.2 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S91.2 valid for 2026?

Yes, S91.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS91.159Open bite of unspecified toe(s) without damage to nailNext →S91.20Unspecified open wound of toe with damage to nail
Code Details
S91.2
Open wound of toe with damage to nail
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