E07.0 Hypersecretion of calcitonin

Billable ICD-10-CM code, FY2026.

Applicable to

• C-cell hyperplasia of thyroid
• Hypersecretion of thyrocalcitonin

Risk adjustment (HCC)

• RxHCC V08: HCC 44 — Thyroid Disorders

MS-DRG index

Defines the logic of DRG(s) 643-645 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 246.0 Disorders of thyrocalcitonin secretion

Code annotations containing back-references to E07.0

Back-references to E07

• Code First: G63 Polyneuropathy in diseases classified elsewhere ("endocrine disease, except diabetes (E00-E07, E15-E16, E20-E34)")

Diagnosis Index entries for E07.0

• Disorder (of) › secretion, thyrocalcitonin
• Disorder (of) › thyrocalcitonin hypersecretion
• Hyperplasia, hyperplastic › C-cell, thyroid
• Hypersecretion › calcitonin
• Hypersecretion › thyrocalcitonin

Nearby codes

• E07 Other disorders of thyroid
• E07.0 Hypersecretion of calcitonin (this code)
• E07.1 Dyshormogenetic goiter
• E07.8 Other specified disorders of thyroid
• E07.81 Sick-euthyroid syndrome
• E07.89 Other specified disorders of thyroid
• E07.9 Disorder of thyroid, unspecified