DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

D44 Neoplasm of uncertain behavior of endocrine glands

  • Header · not billable

D44 is not billable. The category heads 11 billable codes in FY2027, grouped under 9 subdivisions.

Index → code

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. D37-D48 Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
  3. D44 Neoplasm of uncertain behavior of endocrine glands
Billable codes
11
Subdivisions
9
CC / MCC codes
0 / 0
HCC V28 codes
5
New FY2027
0
Index entries
27

Codes in D44

  1. D44.0
    Neoplasm of uncertain behavior of thyroid gland
    Billable
  2. D44.1
    Neoplasm of uncertain behavior of adrenal gland
    Header
    Use additional code 1

    Use additional code

    • code to identify any functional activity.
  3. D44.10
    Neoplasm of uncertain behavior of unspecified adrenal gland
    Billable
  4. D44.11
    Neoplasm of uncertain behavior of right adrenal gland
    Billable
  5. D44.12
    Neoplasm of uncertain behavior of left adrenal gland
    Billable
  6. D44.2
    Neoplasm of uncertain behavior of parathyroid gland
    Billable
  7. D44.3
    Neoplasm of uncertain behavior of pituitary gland
    Billable23
    Use additional code 1

    Use additional code

    • code to identify any functional activity.
  8. D44.4
    Neoplasm of uncertain behavior of craniopharyngeal duct
    Billable23
  9. D44.5
    Neoplasm of uncertain behavior of pineal gland
    Billable23
  10. D44.6
    Neoplasm of uncertain behavior of carotid body
    Billable23
  11. D44.7
    Neoplasm of uncertain behavior of aortic body and other paraganglia
    Billable23
  12. D44.9
    Neoplasm of uncertain behavior of unspecified endocrine gland
    Billable

Sources of each column.

Instructions

At D44

Excludes1

  • multiple endocrine adenomatosis (E31.2-) E31.2
  • multiple endocrine neoplasia (E31.2-) E31.2
  • neoplasm of uncertain behavior of endocrine pancreas (D37.8) D37.8
  • neoplasm of uncertain behavior of ovary (D39.1-) D39.1
  • neoplasm of uncertain behavior of testis (D40.1-) D40.1
  • neoplasm of uncertain behavior of thymus (D38.4) D38.4

Notes that also apply

Block D37-D48 instructions (Notes 1, Excludes1 1): printed on the block page.

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

Index entries

  • Aldosteronoma → D44.10
  • Rathke's pouch tumor → D44.3
  • Craniopharyngioma → D44.4
  • Pinealoma → D44.5
  • Pineocytoma → D44.5
  • Paraganglioma → D44.7
  • TumorRathke's pouch → D44.3
  • Paragangliomacarotid body → D44.6
  • Tumorcarotid body → D44.6
  • Paragangliomaaortic body → D44.7
  • Paragangliomaextra-adrenal → D44.7
  • Paragangliomaglomus jugulare → D44.7
  • Paragangliomajugular → D44.7
  • Paragangliomanonchromaffin → D44.7
  • Paragangliomaparasympathetic → D44.7
  • Paragangliomasympathetic → D44.7
  • Paragangliomaunspecified site → D44.7
  • Tumoraortic body → D44.7
  • Adenomaendocrine, multipletwo or more specified sites → D44-
  • Adenomamultiple endocrinetwo or more specified sites → D44-
  • Paragangliomaextra-adrenalunspecified site → D44.7
  • Paragangliomanonchromaffinunspecified site → D44.7
  • Paragangliomaparasympatheticunspecified site → D44.7
  • Paragangliomasympatheticunspecified site → D44.7
  • Tumorglomusjugulare → D44.7
  • Adenomaendocrine, multipleunspecified site → D44.9
  • Adenomamultiple endocrineunspecified site → D44.9

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

Hierarchy