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ICD-10-CM 2027

ICD-10 code for follicular carcinoma

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

From the official ICD-10-CM alphabetic index entry “Carcinoma (malignant) › follicular”. Page updated September 29, 2026.

About coding follicular carcinoma

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

More specific follicular carcinoma codes (official index)

  • with papillary (mixed) C73 — Malignant neoplasm of thyroid gland
  • moderately differentiated C73 — Malignant neoplasm of thyroid gland
  • pure follicle C73 — Malignant neoplasm of thyroid gland
  • specified site
  • trabecular C73 — Malignant neoplasm of thyroid gland
  • unspecified site C73 — Malignant neoplasm of thyroid gland
  • well differentiated C73 — Malignant neoplasm of thyroid gland

Common questions about follicular carcinoma ICD-10 codes

What is the ICD-10 code for moderately differentiated follicular carcinoma?

C73 — Malignant neoplasm of thyroid gland.

What is the ICD-10 code for pure follicle follicular carcinoma?

C73 — Malignant neoplasm of thyroid gland.

What is the ICD-10 code for trabecular follicular carcinoma?

C73 — Malignant neoplasm of thyroid gland.

What is the ICD-10 code for well differentiated follicular carcinoma?

C73 — Malignant neoplasm of thyroid gland.