C73
Billable codeMalignant neoplasm of thyroid gland
The ICD-10 code for malignant neoplasm of thyroid gland is C73.
Clinical notes
Use additional code
This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.
- code to identify any functional activity
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •If the associated manifestation or related condition noted above is also documented, an additional code should be reported alongside this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- C74Malignant neoplasm of adrenal glandnon-billable header
- C75Malignant neoplasm of other endocrine glands and related structuresnon-billable header
- C73Malignant neoplasm of thyroid gland
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 193
Associated MS-DRGs
C73 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 606Minor Skin Disorders with MCC
- DRG 607Minor Skin Disorders without MCC
- DRG 643Endocrine Disorders with MCC
- DRG 644Endocrine Disorders with CC
- DRG 645Endocrine Disorders without CC/MCC