DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

C95 Leukemia of unspecified cell type

  • Header · not billable

C95 is not billable. The category heads 9 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

  • Leukemia, leukemic → C95.9-
  • Leukemia, leukemicblast cell → C95.0-
  • Leukemia, leukemicacute bilineal → C95.0-

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
  3. C95 Leukemia of unspecified cell type
Billable codes
9
Subdivisions
3
CC / MCC codes
9 / 0
HCC V28 codes
9
New FY2027
0
Index entries
13

Codes in C95

  1. C95.0
    Acute leukemia of unspecified cell type
    Header
    Inclusion terms 4, Excludes1 1

    Inclusion terms

    • Acute bilineal leukemia
    • Acute mixed lineage leukemia
    • Biphenotypic acute leukemia
    • Stem cell leukemia of unclear lineage

    Excludes1

    • acute exacerbation of unspecified chronic leukemia (C95.10) C95.10
  2. C95.00
    Acute leukemia of unspecified cell type not having achieved remission
    BillableCC18
    Inclusion terms 2

    Inclusion terms

    • Acute leukemia of unspecified cell type with failed remission
    • Acute leukemia NOS
  3. C95.01
    Acute leukemia of unspecified cell type, in remission
    BillableCC18
  4. C95.02
    Acute leukemia of unspecified cell type, in relapse
    BillableCC18
  5. C95.1
    Chronic leukemia of unspecified cell type
    Header
  6. C95.10
    Chronic leukemia of unspecified cell type not having achieved remission
    BillableCC22
    Inclusion terms 2

    Inclusion terms

    • Chronic leukemia of unspecified cell type with failed remission
    • Chronic leukemia NOS
  7. C95.11
    Chronic leukemia of unspecified cell type, in remission
    BillableCC22
  8. C95.12
    Chronic leukemia of unspecified cell type, in relapse
    BillableCC22
  9. C95.9
    Leukemia, unspecified
    Header
  10. C95.90
    Leukemia, unspecified not having achieved remission
    BillableCC22
    Inclusion terms 2

    Inclusion terms

    • Leukemia, unspecified with failed remission
    • Leukemia NOS
  11. C95.91
    Leukemia, unspecified, in remission
    BillableCC22
  12. C95.92
    Leukemia, unspecified, in relapse
    BillableCC22

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 C95

Excludes1

  • personal history of leukemia (Z85.6) Z85.6

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

  • Leukemia, leukemic → C95.9-
  • Leukemia, leukemicacute bilineal → C95.0-
  • Leukemia, leukemicacute mixed lineage → C95.0-
  • Leukemia, leukemicbiphenotypic acute → C95.0-
  • Leukemia, leukemicblast cell → C95.0-
  • Leukemia, leukemicstem cell, of unclear lineage → C95.0-
  • Leukemia, leukemicunspecified cell type → C95.9-
  • Leukemia, leukemicunspecified cell typeacute → C95.0-
  • Leukemia, leukemicunspecified cell typechronic → C95.1-
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)in (due to)leukemia NEC → C95.9- [M36.1]
  • Arthropathyin (due to)leukemia NEC → C95.9- [M36.1]
  • Disorder (of)tubulo-interstitial (in)leukemia NEC → C95.9- [N16]
  • Pyelonephritisin (due to)leukemia NEC → C95.9- [N16]

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

Hierarchy