DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

K03 Other diseases of hard tissues of teeth

  • Header · not billable

K03 is not billable. The category heads 11 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

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. K03 Other diseases of hard tissues of teeth
Billable codes
11
Subdivisions
10
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
44

Codes in K03

  1. K03.0
    Excessive attrition of teeth
    Billable
    Inclusion terms 2

    Inclusion terms

    • Approximal wear of teeth
    • Occlusal wear of teeth
  2. K03.1
    Abrasion of teeth
    Billable
    Inclusion terms 6

    Inclusion terms

    • Dentifrice abrasion of teeth
    • Habitual abrasion of teeth
    • Occupational abrasion of teeth
    • Ritual abrasion of teeth
    • Traditional abrasion of teeth
    • Wedge defect NOS
  3. K03.2
    Erosion of teeth
    Billable
    Inclusion terms 6

    Inclusion terms

    • Erosion of teeth due to diet
    • Erosion of teeth due to drugs and medicaments
    • Erosion of teeth due to persistent vomiting
    • Erosion of teeth NOS
    • Idiopathic erosion of teeth
    • Occupational erosion of teeth
  4. K03.3
    Pathological resorption of teeth
    Billable
    Inclusion terms 2

    Inclusion terms

    • Internal granuloma of pulp
    • Resorption of teeth (external)
  5. K03.4
    Hypercementosis
    Billable
    Inclusion terms 1

    Inclusion terms

    • Cementation hyperplasia
  6. K03.5
    Ankylosis of teeth
    Billable
  7. K03.6
    Deposits [accretions] on teeth
    Billable
    Inclusion terms 10

    Inclusion terms

    • Betel deposits [accretions] on teeth
    • Black deposits [accretions] on teeth
    • Extrinsic staining of teeth NOS
    • Green deposits [accretions] on teeth
    • Materia alba deposits [accretions] on teeth
    • Orange deposits [accretions] on teeth
    • Staining of teeth NOS
    • Subgingival dental calculus
    • Supragingival dental calculus
    • Tobacco deposits [accretions] on teeth
  8. K03.7
    Posteruptive color changes of dental hard tissues
    Billable
    Excludes2 1

    Excludes2

    • deposits [accretions] on teeth (K03.6) K03.6
  9. K03.8
    Other specified diseases of hard tissues of teeth
    Header
  10. K03.81
    Cracked tooth
    Billable
    Excludes1 2

    Excludes1

    • asymptomatic craze lines in enamel - omit code
    • broken or fractured tooth due to trauma (S02.5) S02.5
  11. K03.89
    Other specified diseases of hard tissues of teeth
    Billable
  12. K03.9
    Disease of hard tissues of teeth, unspecified
    Billable

Sources of each column.

Instructions

At K03

Excludes2

  • bruxism (F45.8) F45.8
  • dental caries (K02.-) K02
  • teeth-grinding NOS (F45.8) F45.8

Notes that also apply

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

Index entries

  • Approximal wear → K03.0
  • Occlusal wear, teeth → K03.0
  • Cementosis → K03.4
  • Hypercementosis → K03.4
  • Accretions, tooth, teeth → K03.6
  • Tartar (teeth) (dental calculus) → K03.6
  • Cracked tooth → K03.81
  • Irradiated enamel (tooth, teeth) → K03.89
  • Melanodontia, infantile → K03.89
  • Melanodontoclasia → K03.89
  • Odontoclasia → K03.89
  • Attritiontooth, teeth (excessive) (hard tissues) → K03.0
  • Excess, excessive, excessivelyattrition, tooth, teeth → K03.0
  • Wear, worn (with normal or routine use)tooth, teeth (approximal) (hard tissues) (interproximal) (occlusal) → K03.0
  • Abrasiondental → K03.1
  • Abrasiontooth, teeth (dentifrice) (habitual) (hard tissues) (occupational) (ritual) (traditional) → K03.1
  • Defect, defectiveteeth, wedge → K03.1
  • Defect, defectivewedge, tooth, teeth (abrasion) → K03.1
  • Erosiondental (idiopathic) (occupational) (due to diet, drugs or vomiting) → K03.2
  • Erosionteeth (idiopathic) (occupational) (due to diet, drugs or vomiting) → K03.2
  • Granulomapulp, internal (tooth) → K03.3
  • Pathologic, pathologicalresorption, tooth → K03.3
  • Resorptiondental (roots) → K03.3
  • Resorptionteeth (external) (internal) (pathological) (roots) → K03.3
  • Hyperplasia, hyperplasticcementation (tooth) (teeth) → K03.4
  • Ankylosis (fibrous) (osseous) (joint)dental → K03.5
  • Ankylosis (fibrous) (osseous) (joint)tooth, teeth (hard tissues) → K03.5
  • Calculus, calculi, calculousdental (subgingival) (supragingival) → K03.6
  • Calculus, calculi, calculoustooth, teeth (subgingival) (supragingival) → K03.6
  • Deposittooth, teeth (betel) (black) (green) (materia alba) (orange) (tobacco) → K03.6
  • Stain, stainingtooth, teeth (hard tissues) (extrinsic) → K03.6
  • Discolorationteeth (posteruptive) → K03.7
  • Decalcificationteeth → K03.89
  • Dentinsensitive → K03.89
  • Sensitive, sensitivitydentin → K03.89
  • Change(s) (in) (of)color, tooth, teethposteruptive → K03.7
  • Disease, diseasedtooth, teethhard tissues → K03.9
  • Stain, stainingtooth, teeth (hard tissues) (extrinsic)due toaccretions → K03.6
  • Stain, stainingtooth, teeth (hard tissues) (extrinsic)due todeposits (betel) (black) (green) (materia alba) (orange) (soft) (tobacco) → K03.6
  • Stain, stainingtooth, teeth (hard tissues) (extrinsic)due tonicotine → K03.6

4 more, longer entries are not listed; the search box finds them by word.

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

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