S90.4
Non-Billable

Other superficial injuries of toe

Non-Billable / Non-Specific Code

What is Other superficial injuries of toe?

ICD-10-CM S90.4 is the diagnosis code for Other superficial injuries of 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 S90.4

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 S90.4 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 6 entries
S90.41Abrasion of toeNon-BillableS90.411Abrasion, right great toeBillableS90.412Abrasion, left great toeBillableS90.413Abrasion, unspecified great toeBillableS90.414Abrasion, right lesser toe(s)BillableS90.415Abrasion, left lesser toe(s)BillableS90.416Abrasion, unspecified lesser toe(s)BillableS90.42Blister (nonthermal) of toeNon-BillableS90.421Blister (nonthermal), right great toeBillableS90.422Blister (nonthermal), left great toeBillableS90.423Blister (nonthermal), unspecified great toeBillableS90.424Blister (nonthermal), right lesser toe(s)BillableS90.425Blister (nonthermal), left lesser toe(s)BillableS90.426Blister (nonthermal), unspecified lesser toe(s)BillableS90.44External constriction of toeNon-BillableS90.441External constriction, right great toeBillableS90.442External constriction, left great toeBillableS90.443External constriction, unspecified great toeBillableS90.444External constriction, right lesser toe(s)BillableS90.445External constriction, left lesser toe(s)BillableS90.446External constriction, unspecified lesser toe(s)BillableS90.45Superficial foreign body of toeNon-BillableS90.451Superficial foreign body, right great toeBillableS90.452Superficial foreign body, left great toeBillableS90.453Superficial foreign body, unspecified great toeBillableS90.454Superficial foreign body, right lesser toe(s)BillableS90.455Superficial foreign body, left lesser toe(s)BillableS90.456Superficial foreign body, unspecified lesser toe(s)BillableS90.46Insect bite (nonvenomous) of toeNon-BillableS90.461Insect bite (nonvenomous), right great toeBillableS90.462Insect bite (nonvenomous), left great toeBillableS90.463Insect bite (nonvenomous), unspecified great toeBillableS90.464Insect bite (nonvenomous), right lesser toe(s)BillableS90.465Insect bite (nonvenomous), left lesser toe(s)BillableS90.466Insect bite (nonvenomous), unspecified lesser toe(s)BillableS90.47Other superficial bite of toeNon-BillableS90.471Other superficial bite of right great toeBillableS90.472Other superficial bite of left great toeBillableS90.473Other superficial bite of unspecified great toeBillableS90.474Other superficial bite of right lesser toe(s)BillableS90.475Other superficial bite of left lesser toe(s)BillableS90.476Other superficial bite of unspecified lesser toe(s)Billable
Related Codes

Frequently Asked Questions

Is S90.4 a billable ICD-10-CM code?

No, S90.4 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does S90.4 mean?

S90.4 is the ICD-10-CM diagnosis code for "Other superficial injuries of 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 S90.4?

The parent code of S90.4 is S90 ("Superficial injury of ankle, foot and toes"). S90.4 provides a more specific classification within this category.

What section is S90.4 in?

S90.4 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 S90.4?

S90.4 has 6 sub-code(s) that provide more specific detail: S90.41, S90.42, S90.44, S90.45, S90.46 and more.

When should I use S90.4?

Use S90.4 when the patients documented diagnosis matches "Other superficial injuries of 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 Other superficial injuries of toe?

The ICD-10-CM code for Other superficial injuries of toe is S90.4.

Can S90.4 be used for primary diagnosis?

No, S90.4 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is S90.4 in?

S90.4 is in Chapter 19 of the ICD-10-CM Tabular List.

Is S90.4 valid for 2026?

Yes, S90.4 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousS90.32Contusion of left footNext →S90.41Abrasion of toe
Code Details
S90.4
Other superficial injuries of 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