DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

C86 Other specified types of T/NK-cell lymphoma

  • Header · not billable

C86 is not billable. The category heads 14 billable codes in FY2027, grouped under 7 subdivisions.

Index → code

  • Papulosislymphomatoid → C86.6-
  • Reticulosis (skin)polymorphic → C86.0-
  • Reticulosis (skin)malignant (midline) → C86.0-

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
  3. C86 Other specified types of T/NK-cell lymphoma
Billable codes
14
Subdivisions
7
CC / MCC codes
14 / 0
HCC V28 codes
14
New FY2027
0
Index entries
16

Codes in C86

  1. C86.0
    Extranodal NK/T-cell lymphoma, nasal type
    Header
  2. C86.00
    Extranodal NK/T-cell lymphoma, nasal type not having achieved remission
    BillableCC20
    Inclusion terms 2

    Inclusion terms

    • Extranodal NK/T-cell lymphoma, nasal type NOS
    • Extranodal NK/T-cell lymphoma, nasal type with failed remission
  3. C86.01
    Extranodal NK/T-cell lymphoma, nasal type, in remission
    BillableCC20
  4. C86.1
    Hepatosplenic T-cell lymphoma
    Header
    Inclusion terms 1

    Inclusion terms

    • Alpha-beta and gamma delta types
  5. C86.10
    Hepatosplenic T-cell lymphoma not having achieved remission
    BillableCC20
    Inclusion terms 2

    Inclusion terms

    • Hepatosplenic T-cell lymphoma NOS
    • Hepatosplenic T-cell lymphoma with failed remission
  6. C86.11
    Hepatosplenic T-cell lymphoma, in remission
    BillableCC20
  7. C86.2
    Enteropathy-type (intestinal) T-cell lymphoma
    Header
    Inclusion terms 1

    Inclusion terms

    • Enteropathy associated T-cell lymphoma
  8. C86.20
    Enteropathy-type (intestinal) T-cell lymphoma not having achieved remission
    BillableCC20
    Inclusion terms 5

    Inclusion terms

    • Enteropathy associated T-cell lymphoma NOS
    • Enteropathy associated T-cell lymphoma not having achieved remission
    • Enteropathy associated T-cell lymphoma with failed remission
    • Enteropathy-type (intestinal) T-cell lymphoma NOS
    • Enteropathy-type (intestinal) T-cell lymphoma with failed remission
  9. C86.21
    Enteropathy-type (intestinal) T-cell lymphoma, in remission
    BillableCC20
    Inclusion terms 1

    Inclusion terms

    • Enteropathy associated T-cell lymphoma, in remission
  10. C86.3
    Subcutaneous panniculitis-like T-cell lymphoma
    Header
  11. C86.30
    Subcutaneous panniculitis-like T-cell lymphoma not having achieved remission
    BillableCC19
    Inclusion terms 2

    Inclusion terms

    • Subcutaneous panniculitis-like T-cell lymphoma NOS
    • Subcutaneous panniculitis-like T-cell lymphoma with failed remission
  12. C86.31
    Subcutaneous panniculitis-like T-cell lymphoma, in remission
    BillableCC19
  13. C86.4
    Blastic NK-cell lymphoma
    Header
    Inclusion terms 1

    Inclusion terms

    • Blastic plasmacytoid dendritic cell neoplasm (BPDCN)
  14. C86.40
    Blastic NK-cell lymphoma not having achieved remission
    BillableCC19
    Inclusion terms 5

    Inclusion terms

    • Blastic NK-cell lymphoma NOS
    • Blastic NK-cell lymphoma with failed remission
    • Blastic plasmacytoid dendritic cell neoplasm (BPDCN) NOS
    • Blastic plasmacytoid dendritic cell neoplasm (BPDCN) not having achieved remission
    • Blastic plasmacytoid dendritic cell neoplasm (BPDCN) with failed remission
  15. C86.41
    Blastic NK-cell lymphoma, in remission
    BillableCC19
    Inclusion terms 1

    Inclusion terms

    • Blastic plasmacytoid dendritic cell neoplasm (BPDCN), in remission
  16. C86.5
    Angioimmunoblastic T-cell lymphoma
    Header
    Inclusion terms 1

    Inclusion terms

    • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD)
  17. C86.50
    Angioimmunoblastic T-cell lymphoma not having achieved remission
    BillableCC19
    Inclusion terms 5

    Inclusion terms

    • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD) NOS
    • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD) not having achieved remission
    • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD) with failed remission
    • Angioimmunoblastic T-cell lymphoma NOS
    • Angioimmunoblastic T-cell lymphoma with failed remission
  18. C86.51
    Angioimmunoblastic T-cell lymphoma, in remission
    BillableCC19
    Inclusion terms 1

    Inclusion terms

    • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD), in remission
  19. C86.6
    Primary cutaneous CD30-positive T-cell proliferations
    Header
    Inclusion terms 3

    Inclusion terms

    • Lymphomatoid papulosis
    • Primary cutaneous anaplastic large cell lymphoma
    • Primary cutaneous CD30-positive large T-cell lymphoma
  20. C86.60
    Primary cutaneous CD30-positive T-cell proliferations not having achieved remission
    BillableCC20
    Inclusion terms 11

    Inclusion terms

    • Lymphomatoid papulosis NOS
    • Lymphomatoid papulosis not having achieved remission
    • Lymphomatoid papulosis with failed remission
    • Primary cutaneous anaplastic large cell lymphoma NOS
    • Primary cutaneous anaplastic large cell lymphoma not having achieved remission
    • Primary cutaneous anaplastic large cell lymphoma with failed remission
    • Primary cutaneous CD30-positive large T-cell lymphoma NOS
    • Primary cutaneous CD30-positive large T-cell lymphoma not having achieved remission
    • Primary cutaneous CD30-positive large T-cell lymphoma with failed remission
    • Primary cutaneous CD30-positive T-cell proliferations NOS
    • Primary cutaneous CD30-positive T-cell proliferations with failed remission
  21. C86.61
    Primary cutaneous CD30-positive T-cell proliferations, in remission
    BillableCC20

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 C86

Excludes1

  • anaplastic large cell lymphoma, ALK negative (C84.7-) C84.7
  • anaplastic large cell lymphoma, ALK positive (C84.6-) C84.6
  • mature T/NK-cell lymphomas (C84.-) C84
  • other specified types of non-Hodgkin lymphoma (C85.8-) C85.8

Notes that also apply

Block C81-C96 instructions (Excludes2 4): printed on the block page.

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

Index entries

  • Lymphoma (of) (malignant)extranodal NK/T-cell, nasal type → C86.0-
  • Reticulosis (skin)malignant (midline) → C86.0-
  • Reticulosis (skin)polymorphic → C86.0-
  • Lymphoma (of) (malignant)hepatosplenic T-cell (alpha-beta) (gamma-delta) → C86.1-
  • Lymphoma (of) (malignant)enteropathy-type (associated) (intestinal) T-cell → C86.2-
  • Lymphoma (of) (malignant)subcutaneous panniculitis-like T-cell → C86.3-
  • Lymphoma (of) (malignant)blastic NK-cell → C86.4-
  • Lymphoma (of) (malignant)blastic plasmacytoid dendritic cell neoplasm (BPDCN) → C86.4-
  • Lymphadenopathy (generalized)angioimmunoblastic, with dysproteinemia (AILD) → C86.5-
  • Lymphoma (of) (malignant)angioimmunoblastic T-cell → C86.5-
  • Papulosislymphomatoid → C86.6-
  • Proliferation(s)primary cutaneous CD30-positive large T-cell → C86.6-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)in (due to)reticulosis, malignant → C86.0-
  • Lymphoma (of) (malignant)anaplastic large cellprimary cutaneous → C86.6-
  • Lymphoma (of) (malignant)primary cutaneousanaplastic large cell → C86.6-
  • Lymphoma (of) (malignant)primary cutaneousCD30-positive large T-cell → C86.6-

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

Hierarchy