DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

D49 Neoplasms of unspecified behavior

  • Header · not billable

D49 is not billable. The category heads 14 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

  • Freckle(s)retinal → D49.81
  • Retina, retinaldark area → D49.81
  • Dermatopolymyositisin neoplastic disease → D49.9 [M36.0]

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. D49 Neoplasms of unspecified behavior (D49)
  3. D49 Neoplasms of unspecified behavior
Billable codes
14
Subdivisions
10
CC / MCC codes
0 / 0
HCC V28 codes
1
New FY2027
0
Index entries
39

Codes in D49

  1. D49.0
    Neoplasm of unspecified behavior of digestive system
    Billable
    Excludes1 3

    Excludes1

    • neoplasm of unspecified behavior of margin of anus (D49.2) D49.2
    • neoplasm of unspecified behavior of perianal skin (D49.2) D49.2
    • neoplasm of unspecified behavior of skin of anus (D49.2) D49.2
  2. D49.1
    Neoplasm of unspecified behavior of respiratory system
    Billable
  3. D49.2
    Neoplasm of unspecified behavior of bone, soft tissue, and skin
    Billable
    Excludes1 8

    Excludes1

    • neoplasm of unspecified behavior of anal canal (D49.0) D49.0
    • neoplasm of unspecified behavior of anus NOS (D49.0) D49.0
    • neoplasm of unspecified behavior of bone marrow (D49.89) D49.89
    • neoplasm of unspecified behavior of cartilage of larynx (D49.1) D49.1
    • neoplasm of unspecified behavior of cartilage of nose (D49.1) D49.1
    • neoplasm of unspecified behavior of connective tissue of breast (D49.3) D49.3
    • neoplasm of unspecified behavior of skin of genital organs (D49.59) D49.59
    • neoplasm of unspecified behavior of vermilion border of lip (D49.0) D49.0
  4. D49.3
    Neoplasm of unspecified behavior of breast
    Billable
    Excludes1 1

    Excludes1

    • neoplasm of unspecified behavior of skin of breast (D49.2) D49.2
  5. D49.4
    Neoplasm of unspecified behavior of bladder
    Billable
  6. D49.5
    Neoplasm of unspecified behavior of other genitourinary organs
    Header
  7. D49.51
    Neoplasm of unspecified behavior of kidney
    Header
  8. D49.511
    Neoplasm of unspecified behavior of right kidney
    Billable
  9. D49.512
    Neoplasm of unspecified behavior of left kidney
    Billable
  10. D49.519
    Neoplasm of unspecified behavior of unspecified kidney
    Billable
  11. D49.59
    Neoplasm of unspecified behavior of other genitourinary organ
    Billable
  12. D49.6
    Neoplasm of unspecified behavior of brain
    Billable23
    Excludes1 2

    Excludes1

    • neoplasm of unspecified behavior of cerebral meninges (D49.7) D49.7
    • neoplasm of unspecified behavior of cranial nerves (D49.7) D49.7
  13. D49.7
    Neoplasm of unspecified behavior of endocrine glands and other parts of nervous system
    Billable
    Excludes1 1

    Excludes1

    • neoplasm of unspecified behavior of peripheral, sympathetic, and parasympathetic nerves and ganglia (D49.2) D49.2
  14. D49.8
    Neoplasm of unspecified behavior of other specified sites
    Header
    Excludes1 4

    Excludes1

    • neoplasm of unspecified behavior of eyelid (skin) (D49.2) D49.2
    • neoplasm of unspecified behavior of eyelid cartilage (D49.2) D49.2
    • neoplasm of unspecified behavior of great vessels (D49.2) D49.2
    • neoplasm of unspecified behavior of optic nerve (D49.7) D49.7
  15. D49.81
    Neoplasm of unspecified behavior of retina and choroid
    Billable
    Inclusion terms 2

    Inclusion terms

    • Dark area on retina
    • Retinal freckle
  16. D49.89
    Neoplasm of unspecified behavior of other specified sites
    Billable
  17. D49.9
    Neoplasm of unspecified behavior of unspecified site
    Billable

Sources of each column.

Instructions

At D49

Notes

  • Category D49 classifies by site neoplasms of unspecified morphology and behavior. The term 'mass', unless otherwise stated, is not to be regarded as a neoplastic growth. D49

Includes

  • 'growth' NOS
  • neoplasm NOS
  • new growth NOS
  • tumor NOS

Excludes2

  • neoplasms of uncertain behavior (D37-D44, D48) D37 D44 D48

Notes that also apply

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

Index entries

  • Freckle(s)retinal → D49.81
  • Retina, retinaldark area → D49.81
  • Dermatomyositis (acute) (chronic)in (due to) neoplastic disease → D49.9 [M36.0]
  • Dermatopolymyositisin neoplastic disease → D49.9 [M36.0]
  • Neuromyopathyparaneoplastic (see also, Neoplasm, by site, if known) → D49.9 [G13.0]
  • Neuropathy, neuropathicparaneoplastic (sensorial) (Denny Brown) (see also, Neoplasm, by site, if known) → D49.9 [G13.0]
  • Arthropathyin (due to)neoplastic disease NOS (see also Neoplasm) → D49.9 [M36.1]
  • Encephalopathy (acute)in (due to) (with)neoplastic disease (see also Neoplasm) → D49.9 [G13.1]
  • Myelopathy (spinal cord)in (due to)neoplastic disease → D49.9 [G99.2]
  • Polyneuropathy (peripheral)in (due to)neoplastic disease → D49.9 [G63]
  • Degeneration, degenerativebrain (cortical) (progressive)inneoplastic disease → D49.6 [G32.89]
  • Ataxia, ataxy, ataxiccerebellar (hereditary)inneoplastic disease → D49.9 [G32.81]
  • Atrophy, atrophic (of)systemic affecting central nervous systeminneoplastic disease → D49.9 [G13.1]
  • Compressionnerveroot or plexus NOS (in)neoplastic disease → D49.9 [G55]
  • Myastheniasyndromeinneoplastic disease → D49.9 [G73.3]
  • Osteitisdeformansin (due to)neoplastic disease → D49.9 [M90.60]
  • Syndromemyasthenicinneoplastic disease → D49.9 [G73.3]
  • Osteitisdeformansin (due to)neoplastic diseasecarpus → D49.2 [M90.64-]
  • Osteitisdeformansin (due to)neoplastic diseaseclavicle → D49.2 [M90.61-]
  • Osteitisdeformansin (due to)neoplastic diseasefemur → D49.2 [M90.65-]
  • Osteitisdeformansin (due to)neoplastic diseasefibula → D49.2 [M90.66-]
  • Osteitisdeformansin (due to)neoplastic diseasefinger → D49.2 [M90.64-]
  • Osteitisdeformansin (due to)neoplastic diseasehumerus → D49.2 [M90.62-]
  • Osteitisdeformansin (due to)neoplastic diseaseilium → D49.2 [M90.68]
  • Osteitisdeformansin (due to)neoplastic diseaseischium → D49.2 [M90.68]
  • Osteitisdeformansin (due to)neoplastic diseasemetacarpus → D49.2 [M90.64-]
  • Osteitisdeformansin (due to)neoplastic diseasemetatarsus → D49.2 [M90.67-]
  • Osteitisdeformansin (due to)neoplastic diseaseneck → D49.2 [M90.68]
  • Osteitisdeformansin (due to)neoplastic diseaseradius → D49.2 [M90.63-]
  • Osteitisdeformansin (due to)neoplastic diseaserib → D49.2 [M90.68]
  • Osteitisdeformansin (due to)neoplastic diseasescapula → D49.2 [M90.61-]
  • Osteitisdeformansin (due to)neoplastic diseaseskull → D49.2 [M90.68]
  • Osteitisdeformansin (due to)neoplastic diseasetarsus → D49.2 [M90.67-]
  • Osteitisdeformansin (due to)neoplastic diseasetibia → D49.2 [M90.66-]
  • Osteitisdeformansin (due to)neoplastic diseasetoe → D49.2 [M90.67-]
  • Osteitisdeformansin (due to)neoplastic diseaseulna → D49.2 [M90.63-]
  • Osteitisdeformansin (due to)neoplastic diseasevertebra → D49.2 [M90.68]
  • Osteitisdeformansin (due to)neoplastic diseasemultiple sites → D49.89 [M90.69]
  • Palsycranial nervemultipleinneoplastic disease → D49.9 [G53]

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