L59.9 – Disorder of the skin and subcutaneous tissue related to radiation, unspecified

ICD-10-CM 2027 diagnosis code · Radiation-related disorders of the skin and subcutaneous tissue

Billable code

ICD-10-CM code L59.9

Code: L59.9 (claims format: L599)
Description: Disorder of the skin and subcutaneous tissue related to radiation, unspecified
Short description: Disorder of the skin, subcu related to radiation, unsp
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 12. Diseases of the skin and subcutaneous tissue (L00-L99)
Block: L55-L59 Radiation-related disorders of the skin and subcutaneous tissue
Parent codes: L59

Index terms for L59.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Effect, adverse, radiation, skin

Related codes in L59

Frequently asked questions

What is ICD-10 code L59.9?

L59.9 is the ICD-10-CM code for disorder of the skin and subcutaneous tissue related to radiation, unspecified, in the block L55-L59 (Radiation-related disorders of the skin and subcutaneous tissue).

Is L59.9 a billable code?

Yes. L59.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does L59.9 belong to?

It belongs to category L59 – Other disorders of skin and subcutaneous tissue related to radiation.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.