DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

C40 Malignant neoplasm of bone and articular cartilage of limbs

  • Header · not billable

C40 is not billable. The category heads 18 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Adamantinomatibial → C40.2-
  • Ameloblastomatibial → C40.2-
  • Adamantinomalong bones → C40.90

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C40-C41 Malignant neoplasms of bone and articular cartilage (C40-C41)
  3. C40 Malignant neoplasm of bone and articular cartilage of limbs
Billable codes
18
Subdivisions
6
CC / MCC codes
18 / 0
HCC V28 codes
18
New FY2027
0
Index entries
8

Codes in C40

  1. C40.0
    Malignant neoplasm of scapula and long bones of upper limb
    Header
  2. C40.00
    Malignant neoplasm of scapula and long bones of unspecified upper limb
    BillableCC21
  3. C40.01
    Malignant neoplasm of scapula and long bones of right upper limb
    BillableCC21
  4. C40.02
    Malignant neoplasm of scapula and long bones of left upper limb
    BillableCC21
  5. C40.1
    Malignant neoplasm of short bones of upper limb
    Header
  6. C40.10
    Malignant neoplasm of short bones of unspecified upper limb
    BillableCC21
  7. C40.11
    Malignant neoplasm of short bones of right upper limb
    BillableCC21
  8. C40.12
    Malignant neoplasm of short bones of left upper limb
    BillableCC21
  9. C40.2
    Malignant neoplasm of long bones of lower limb
    Header
  10. C40.20
    Malignant neoplasm of long bones of unspecified lower limb
    BillableCC21
  11. C40.21
    Malignant neoplasm of long bones of right lower limb
    BillableCC21
  12. C40.22
    Malignant neoplasm of long bones of left lower limb
    BillableCC21
  13. C40.3
    Malignant neoplasm of short bones of lower limb
    Header
  14. C40.30
    Malignant neoplasm of short bones of unspecified lower limb
    BillableCC21
  15. C40.31
    Malignant neoplasm of short bones of right lower limb
    BillableCC21
  16. C40.32
    Malignant neoplasm of short bones of left lower limb
    BillableCC21
  17. C40.8
    Malignant neoplasm of overlapping sites of bone and articular cartilage of limb
    Header
  18. C40.80
    Malignant neoplasm of overlapping sites of bone and articular cartilage of unspecified limb
    BillableCC21
  19. C40.81
    Malignant neoplasm of overlapping sites of bone and articular cartilage of right limb
    BillableCC21
  20. C40.82
    Malignant neoplasm of overlapping sites of bone and articular cartilage of left limb
    BillableCC21
  21. C40.9
    Malignant neoplasm of unspecified bones and articular cartilage of limb
    Header
  22. C40.90
    Malignant neoplasm of unspecified bones and articular cartilage of unspecified limb
    BillableCC21
  23. C40.91
    Malignant neoplasm of unspecified bones and articular cartilage of right limb
    BillableCC21
  24. C40.92
    Malignant neoplasm of unspecified bones and articular cartilage of left limb
    BillableCC21

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At C40

Use additional code

  • code to identify major osseous defect, if applicable (M89.7-) M89.7

Notes that also apply

Block C40-C41 instructions (Includes 2, Excludes1 2): printed on the block page.

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

Index entries

  • Adamantinomatibial → C40.2-
  • Ameloblastomatibial → C40.2-
  • Ameloblastomalong bones → C40.9-
  • Adamantinomalong bones → C40.90
  • Adamantinomalong bonesupper limb → C40.0-
  • Ameloblastomalong bonesupper limb → C40.0-
  • Adamantinomalong boneslower limb → C40.2-
  • Ameloblastomalong boneslower limb → C40.2-

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

Hierarchy