ICD-11 classes
X Extension Codes
Extension codes of particular relevance to skin diseases
Surface topography
XA6AS2 Extremities
XA45A6 Lower extremity
XA47V8 Foot
XA4LC9 Toes
XA4KK7 Fourth toe
XA40R3 Perionychium of fourth toe

ICD-11 XA40R3 Perionychium of fourth toe

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis contains 4 clarifying diagnoses:

1. XA2Y79 Proximal nail fold of fourth toe
2. XA0XZ8 Eponychium of fourth toe
3. XA0PV4 Lateral nail fold of fourth toe
4. XA4ZB3 Hyponychium of fourth toe

The diagnosis is coded elsewhere:

• XA4KK7 Fourth toe #36553
• XA4KK7 Fourth toe #38123