DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

T52 Toxic effect of organic solvents

  • Header · not billable
  • Codes take a 7th character

T52 is not billable. The category heads 108 billable codes in FY2027, grouped under 7 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

FY2027 changes under T52: 36 billable codes added. All FY2027 changes.

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. T51-T65 Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
  3. T52 Toxic effect of organic solvents
Billable codes
108
Subdivisions
7
CC / MCC codes
0 / 0
HCC V28 codes
6
New FY2027
36
Index entries
0

Codes in T52

  1. T52.0
    Toxic effects of petroleum products
    Header
    Inclusion terms 6

    Inclusion terms

    • Toxic effects of gasoline [petrol]
    • Toxic effects of kerosene [paraffin oil]
    • Toxic effects of paraffin wax
    • Toxic effects of ether petroleum
    • Toxic effects of naphtha petroleum
    • Toxic effects of spirit petroleum
  2. T52.0X
    Toxic effects of petroleum products
    Header
  3. T52.0X1
    Toxic effect of petroleum products, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of petroleum products NOS
  4. T52.0X2
    Toxic effect of petroleum products, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  5. T52.0X3
    Toxic effect of petroleum products, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  6. T52.0X4
    Toxic effect of petroleum products, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  7. T52.1
    Toxic effects of benzene
    Header
    Excludes1 2

    Excludes1

    • homologues of benzene (T52.2) T52.2
    • nitroderivatives and aminoderivatives of benzene and its homologues (T65.3) T65.3
  8. T52.1X
    Toxic effects of benzene
    Header
  9. T52.1X1
    Toxic effect of benzene, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of benzene NOS
  10. T52.1X2
    Toxic effect of benzene, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  11. T52.1X3
    Toxic effect of benzene, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  12. T52.1X4
    Toxic effect of benzene, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  13. T52.2
    Toxic effects of homologues of benzene
    Header
    Inclusion terms 2

    Inclusion terms

    • Toxic effects of toluene [methylbenzene]
    • Toxic effects of xylene [dimethylbenzene]
  14. T52.2X
    Toxic effects of homologues of benzene
    Header
  15. T52.2X1
    Toxic effect of homologues of benzene, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of homologues of benzene NOS
  16. T52.2X2
    Toxic effect of homologues of benzene, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  17. T52.2X3
    Toxic effect of homologues of benzene, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  18. T52.2X4
    Toxic effect of homologues of benzene, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  19. T52.3
    Toxic effects of glycols
    Header
  20. T52.3X
    Toxic effects of glycols
    Header
  21. T52.3X1
    Toxic effect of glycols, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of glycols NOS
  22. T52.3X2
    Toxic effect of glycols, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  23. T52.3X3
    Toxic effect of glycols, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  24. T52.3X4
    Toxic effect of glycols, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. T52.4
    Toxic effects of ketones
    Header
  26. T52.4X
    Toxic effects of ketones
    Header
  27. T52.4X1
    Toxic effect of ketones, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of ketones NOS
  28. T52.4X2
    Toxic effect of ketones, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  29. T52.4X3
    Toxic effect of ketones, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  30. T52.4X4
    Toxic effect of ketones, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  31. T52.8
    Toxic effects of other organic solvents
    Header
  32. T52.81
    Toxic effects of alkenes New FY2027
    Header
  33. T52.811
    Toxic effect of alkenes, accidental (unintentional) New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of alkenes NOS
  34. T52.812
    Toxic effect of alkenes, intentional self-harm New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  35. T52.813
    Toxic effect of alkenes, assault New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  36. T52.814
    Toxic effect of alkenes, undetermined New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  37. T52.82
    Toxic effects of cycloparaffins New FY2027
    Header
    Inclusion terms 2

    Inclusion terms

    • Toxic effects of naphthenes
    • Toxic effects of cycloalkanes
  38. T52.821
    Toxic effect of cycloparaffins, accidental (unintentional) New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of cycloparaffins NOS
  39. T52.822
    Toxic effect of cycloparaffins, intentional self-harm New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  40. T52.823
    Toxic effect of cycloparaffins, assault New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  41. T52.824
    Toxic effect of cycloparaffins, undetermined New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  42. T52.89
    Toxic effects of other organic solvents New FY2027
    Header
  43. T52.891
    Toxic effect of other organic solvents, accidental (unintentional) New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
    Inclusion terms 1

    Inclusion terms

    • Toxic effects of other organic solvents NOS
  44. T52.892
    Toxic effect of other organic solvents, intentional self-harm New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  45. T52.893
    Toxic effect of other organic solvents, assault New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  46. T52.894
    Toxic effect of other organic solvents, undetermined New FY2027 +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  47. T52.9
    Toxic effects of unspecified organic solvent
    Header
  48. T52.91
    Toxic effect of unspecified organic solvent, accidental (unintentional) +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  49. T52.92
    Toxic effect of unspecified organic solvent, intentional self-harm +7th: A D S
    Needs 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
  50. T52.93
    Toxic effect of unspecified organic solvent, assault +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  51. T52.94
    Toxic effect of unspecified organic solvent, undetermined +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

At T52

Excludes1

  • halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-) T53

Notes that also apply

Block T51-T65 instructions (Notes 1, Excludes1 1, Use additional code 4): printed on the block page.

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.

7th characters

7th characters for T52 defined here

The appropriate 7th character is to be added to each code from category T52

7th characters for T52
7thMeaning (NCHS)
Ainitial encounter
Dsubsequent encounter
Ssequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Hierarchy