B35.3 ICD-10-CM Code: Tinea pedis
B35.3 is the billable ICD-10-CM code for “Tinea pedis” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
B35.3Tinea pedis
ICD-10-CM diagnosis code · United States clinical modification
Coding tips for B35.3
Tinea pedis: athlete’s foot, dermatophytosis or ringworm of the foot.
What to document
- If the toenails are infected too, onychomycosis is coded as well, with B35.1.
Watch for
- Onychomycosis on its own is B35.1, not B35.3.
- Tinea of the hand is B35.2 and of the body B35.4.
Codes that look alike
Where B35.3 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Mycoses (B35-B49)
- 3
Category B35
Dermatophytosis
- 4
Code B35.3
Tinea pedis
Notes for this code
Inclusion terms
- Athlete's foot
- Dermatophytosis of foot
- Foot ringworm
Code first
No “code first” instruction is listed for B35.3.
Use additional code
No “use additional code” instruction is listed for B35.3.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for B35.3.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for B35.3.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code B35.3 mean?
B35.3 is the FY 2027 U.S. ICD-10-CM code for “Tinea pedis.”
Is B35.3 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, B35.3 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is B35.3 located in ICD-10-CM?
B35.3 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Mycoses (B35-B49) (B35–B49), under category B35, Dermatophytosis.
What coding notes are listed for B35.3?
Its listed inclusion terms are Athlete's foot; Dermatophytosis of foot; Foot ringworm. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.