4B40.0

Persistent hyperplasia of thymus

Persistent hyperplasia of thymus

Classification

ICD-11

Parent Code

4B40

ICD-10 Mapping

1 equivalent

WHO Foundation

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ICD-10 Equivalents(1)

ICD-10 Equivalents

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Corresponding ICD-10-CM codes from the WHO crosswalk mapping

Frequently Asked Questions
What is the ICD-11 code for persistent hyperplasia of thymus?

The ICD-11 code for persistent hyperplasia of thymus is 4B40.0. The full clinical description is "Persistent hyperplasia of thymus".

What does ICD-11 code 4B40.0 mean?

ICD-11 code 4B40.0 represents “Persistent hyperplasia of thymus”. It is classified under Chapter 4: Diseases of the Immune System.

What chapter is 4B40.0 in?

4B40.0 is in Chapter 4: Diseases of the Immune System (codes 4A00-4B4Z).

What is the ICD-10 equivalent of ICD-11 code 4B40.0?

4B40.0 maps to the ICD-10 code: E32.0 (Persistent hyperplasia of thymus). This is an equivalent mapping.

What is the difference between ICD-10 and ICD-11?

ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.

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