DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

C73 diagnosis code · Billable category · FY2027

C73 Malignant neoplasm of thyroid gland

  • Billable
  • Not CC/MCC
  • HCC 23
  • POA reported

C73 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

CC / MCC
Neither
MS-DRG
011-013, 643-645
HCC V28
23
POA
Reported
Code Editor
–
Index entries
30

Instructions

At C73

Use additional code

  • code to identify any functional activity

Notes that also apply

Chapter 2 instructions (Notes 8): printed on the chapter 2 page.

Index entries

  • Wuchernde Struma Langhans → C73
  • AdenocarcinomaHurthle cell → C73
  • Adenocarcinomanonencapsulated sclerosing → C73
  • Carcinoma (malignant)Hurthle cell → C73
  • Carcinoma (malignant)nonencapsulated sclerosing → C73
  • Goiter (plunging) (substernal)cancerous → C73
  • Goiter (plunging) (substernal)malignant → C73
  • Hurthle celladenocarcinoma → C73
  • Hurthle cellcarcinoma → C73
  • Tumornonencapsulated sclerosing → C73
  • Adenocarcinomafollicularwith papillary → C73
  • Adenocarcinomafollicularmoderately differentiated → C73
  • Adenocarcinomafolliculartrabecular → C73
  • Adenocarcinomafollicularunspecified site → C73
  • Adenocarcinomafollicularwell differentiated → C73
  • Adenocarcinomapapillarywith follicular → C73
  • Adenocarcinomapapillaryfollicular variant → C73
  • Carcinoma (malignant)C cellunspecified site → C73
  • Carcinoma (malignant)follicularwith papillary (mixed) → C73
  • Carcinoma (malignant)follicularmoderately differentiated → C73
  • Carcinoma (malignant)follicularpure follicle → C73
  • Carcinoma (malignant)folliculartrabecular → C73
  • Carcinoma (malignant)follicularunspecified site → C73
  • Carcinoma (malignant)follicularwell differentiated → C73
  • Carcinoma (malignant)papillarywith follicular (mixed) → C73
  • Carcinoma (malignant)papillaryfollicular variant → C73
  • Carcinoma (malignant)parafollicular cellunspecified site → C73
  • TumorHurthle cell (benign)malignant → C73
  • Carcinoma (malignant)solidwith amyloid stromaunspecified site → C73
  • Carcinoma (malignant)medullarywithamyloid stromaunspecified site → C73

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for C73
CC / MCCNeither
Appendix BPre-MDC, MS-DRG 011-013 (Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC…); MDC 10 Endocrine, Nutritional and Metabolic Diseases and Disorders, MS-DRG 643-645 (Endocrine Disorders with MCC…)
Code Editor–
POAReported
HCC V28HCC 23 Prostate, Breast, and Other Cancers and Tumors

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy