DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

D34 diagnosis code · Billable category · FY2027

D34 Benign neoplasm of thyroid gland

  • Billable
  • Not CC/MCC
  • POA reported

D34 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
–
POA
Reported
Code Editor
–
Index entries
9

Instructions

At D34

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

  • AdenomaHurthle cell → D34
  • Hurthle celladenoma → D34
  • Hurthle celltumor → D34
  • TumorHurthle cell (benign) → D34
  • Adenomacolloidunspecified site → D34
  • Adenomafetalunspecified site → D34
  • Adenomafollicularunspecified site → D34
  • Adenomamacrofollicularunspecified site → D34
  • Adenomamicrofollicularunspecified site → D34

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

Medicare grouping and edits

CMS files for D34
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 V28–

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

Hierarchy