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ICD-10-CM 2027

ICD-10 code for collateral

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Collateral”. Page updated September 29, 2026.

About coding collateral

The official ICD-10-CM index doesn't give a single default code for collateral; the code depends on the details below.

More specific collateral codes (official index)

  • circulation (venous) I87.8 — Other specified disorders of veins
  • dilation, veins I87.8 — Other specified disorders of veins

Common questions about collateral ICD-10 codes

What is the ICD-10 code for circulation collateral?

I87.8 — Other specified disorders of veins.