DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

D21 Other benign neoplasms of connective and other soft tissue

  • Header · not billable

D21 is not billable. The category heads 12 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

  • Kimura disease → D21.9
  • Disease, diseasedKimura → D21.9
  • Tumorstromalgastricbenign → D21.4

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. D10-D36 Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
  3. D21 Other benign neoplasms of connective and other soft tissue
Billable codes
12
Subdivisions
8
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
6

Codes in D21

  1. D21.0
    Benign neoplasm of connective and other soft tissue of head, face and neck
    Billable
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Benign neoplasm of connective tissue of ear
    • Benign neoplasm of connective tissue of eyelid

    Excludes1

    • benign neoplasm of connective tissue of orbit (D31.6-) D31.6
  2. D21.1
    Benign neoplasm of connective and other soft tissue of upper limb, including shoulder
    Header
  3. D21.10
    Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulder
    Billable
  4. D21.11
    Benign neoplasm of connective and other soft tissue of right upper limb, including shoulder
    Billable
  5. D21.12
    Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder
    Billable
  6. D21.2
    Benign neoplasm of connective and other soft tissue of lower limb, including hip
    Header
  7. D21.20
    Benign neoplasm of connective and other soft tissue of unspecified lower limb, including hip
    Billable
  8. D21.21
    Benign neoplasm of connective and other soft tissue of right lower limb, including hip
    Billable
  9. D21.22
    Benign neoplasm of connective and other soft tissue of left lower limb, including hip
    Billable
  10. D21.3
    Benign neoplasm of connective and other soft tissue of thorax
    Billable
    Inclusion terms 3, Excludes1 3

    Inclusion terms

    • Benign neoplasm of axilla
    • Benign neoplasm of diaphragm
    • Benign neoplasm of great vessels

    Excludes1

    • benign neoplasm of heart (D15.1) D15.1
    • benign neoplasm of mediastinum (D15.2) D15.2
    • benign neoplasm of thymus (D15.0) D15.0
  11. D21.4
    Benign neoplasm of connective and other soft tissue of abdomen
    Billable
    Inclusion terms 1

    Inclusion terms

    • Benign stromal tumors of abdomen
  12. D21.5
    Benign neoplasm of connective and other soft tissue of pelvis
    Billable
    Excludes1 2

    Excludes1

    • benign neoplasm of any uterine ligament (D28.2) D28.2
    • uterine leiomyoma (D25.-) D25
  13. D21.6
    Benign neoplasm of connective and other soft tissue of trunk, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Benign neoplasm of connective and other soft tissue of back NOS
  14. D21.9
    Benign neoplasm of connective and other soft tissue, unspecified
    Billable

Sources of each column.

Instructions

At D21

Includes

  • benign neoplasm of blood vessel
  • benign neoplasm of bursa
  • benign neoplasm of cartilage
  • benign neoplasm of fascia
  • benign neoplasm of fat
  • benign neoplasm of ligament, except uterine
  • benign neoplasm of lymphatic channel
  • benign neoplasm of muscle
  • benign neoplasm of synovia
  • benign neoplasm of tendon (sheath)
  • benign stromal tumors

Excludes1

  • benign neoplasm of articular cartilage (D16.-) D16
  • benign neoplasm of cartilage of larynx (D14.1) D14.1
  • benign neoplasm of cartilage of nose (D14.0) D14.0
  • benign neoplasm of connective tissue of breast (D24.-) D24
  • benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-) D36.1
  • benign neoplasm of peritoneum (D20.1) D20.1
  • benign neoplasm of retroperitoneum (D20.0) D20.0
  • benign neoplasm of uterine ligament, any (D28.2) D28.2
  • benign neoplasm of vascular tissue (D18.-) D18
  • hemangioma (D18.0-) D18.0
  • lipomatous neoplasm (D17.-) D17
  • lymphangioma (D18.1) D18.1
  • uterine leiomyoma (D25.-) D25

Notes that also apply

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

Index entries

  • Kimura disease → D21.9
  • Disease, diseasedKimura → D21.9
  • Tumorstromalgastricbenign → D21.4
  • Tumorstromalgastrointestinalbenign → D21.4
  • Tumorstromalintestinebenign → D21.4
  • Tumorstromalstomachbenign → D21.4

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

Hierarchy