DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K02 Dental caries

  • Header · not billable

K02 is not billable. The category heads 9 billable codes in FY2027, grouped under 5 subdivisions.

Index → code

  • Cariesroot (dental) (tooth) → K02.7
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp) → K02.9
  • Cariesinitial (tooth)smooth surface → K02.61

Where it sits

  1. Chapter 11 Diseases of the digestive system (K00-K95)
  2. K00-K14 Diseases of oral cavity and salivary glands (K00-K14)
  3. K02 Dental caries
Billable codes
9
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
35

Codes in K02

  1. K02.3
    Arrested dental caries
    Billable
    Inclusion terms 1

    Inclusion terms

    • Arrested coronal and root caries
  2. K02.5
    Dental caries on pit and fissure surface
    Header
    Inclusion terms 1

    Inclusion terms

    • Dental caries on chewing surface of tooth
  3. K02.51
    Dental caries on pit and fissure surface limited to enamel
    Billable
    Inclusion terms 1

    Inclusion terms

    • White spot lesions [initial caries] on pit and fissure surface of tooth
  4. K02.52
    Dental caries on pit and fissure surface penetrating into dentin
    Billable
    Inclusion terms 1

    Inclusion terms

    • Primary dental caries, cervical origin
  5. K02.53
    Dental caries on pit and fissure surface penetrating into pulp
    Billable
  6. K02.6
    Dental caries on smooth surface
    Header
  7. K02.61
    Dental caries on smooth surface limited to enamel
    Billable
    Inclusion terms 1

    Inclusion terms

    • White spot lesions [initial caries] on smooth surface of tooth
  8. K02.62
    Dental caries on smooth surface penetrating into dentin
    Billable
  9. K02.63
    Dental caries on smooth surface penetrating into pulp
    Billable
  10. K02.7
    Dental root caries
    Billable
  11. K02.9
    Dental caries, unspecified
    Billable

Sources of each column.

Instructions

At K02

Includes

  • caries of dentine
  • dental cavities
  • early childhood caries
  • pre-eruptive caries
  • recurrent caries (dentino enamel junction) (enamel) (to the pulp)
  • tooth decay

Notes that also apply

Chapter 11 instructions (Excludes2 8): printed on the chapter 11 page.

Index entries

  • Cariesroot (dental) (tooth) → K02.7
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp) → K02.9
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)arrested (coronal) (root) → K02.3
  • Cariesinitial (tooth)chewing surface → K02.51
  • Cariesinitial (tooth)pit and fissure surface → K02.51
  • Lesion(s) (nontraumatic)white spot (tooth)chewing surface → K02.51
  • Lesion(s) (nontraumatic)white spot (tooth)pit and fissure surface → K02.51
  • Whitespot lesions, teethchewing surface → K02.51
  • Whitespot lesions, teethpit and fissure surface → K02.51
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)primary, cervical origin → K02.52
  • Cariesinitial (tooth)smooth surface → K02.61
  • Lesion(s) (nontraumatic)white spot (tooth)smooth surface → K02.61
  • Whitespot lesions, teethsmooth surface → K02.61
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)root → K02.7
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)chewing surfacelimited to enamel → K02.51
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)pit and fissure surfacelimited to enamel → K02.51
  • Lesion(s) (nontraumatic)tooth, teethwhite spotchewing surface → K02.51
  • Lesion(s) (nontraumatic)tooth, teethwhite spotpit and fissure surface → K02.51
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)chewing surfacepenetrating into dentin → K02.52
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)pit and fissure surfacepenetrating into dentin → K02.52
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)chewing surfacepenetrating into pulp → K02.53
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)pit and fissure surfacepenetrating into pulp → K02.53
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)smooth surfacelimited to enamel → K02.61
  • Lesion(s) (nontraumatic)tooth, teethwhite spotsmooth surface → K02.61
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)smooth surfacepenetrating into dentin → K02.62
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)smooth surfacepenetrating into pulp → K02.63
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacechewing surfacelimited to enamel → K02.51
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacepit and fissure surfacelimited to enamel → K02.51
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacechewing surfacepenetrating into dentin → K02.52
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacepit and fissure surfacepenetrating into dentin → K02.52
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacechewing surfacepenetrating into pulp → K02.53
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacepit and fissure surfacepenetrating into pulp → K02.53
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacesmooth surfacelimited to enamel → K02.61
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacesmooth surfacepenetrating into dentin → K02.62
  • Cariesdental (dentino enamel junction) (early childhood) (of dentine) (pre-eruptive) (recurrent) (to the pulp)coronal surfacesmooth surfacepenetrating into pulp → K02.63

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

Hierarchy