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K03.6 ICD-10-CA code: Deposits [accretions] on teeth

K03.6 is the ICD-10-CA code for “Deposits [accretions] on teeth” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

K03.6

Deposits [accretions] on teeth

ICD-10-CA · Canada · Also written K036

Index terms

Entries in CIHI’s alphabetical index that lead to K03.6. Searching the index by the condition the note names is how coders reach this code.

  • Accretions, tooth, teeth
  • Tartar (teeth) (dental calculus)
  • Staining, tooth, teeth (hard tissues) (extrinsic) (due to)
  • Calculus, calculi, calculous, dental (subgingival) (supragingival)
  • Staining, tooth, teeth (hard tissues) (extrinsic) (due to), accretions
  • Calculus, calculi, calculous, tooth, teeth (subgingival) (supragingival)
  • Deposit, tooth, teeth (betel) (black) (green) (materia alba) (orange) (tobacco)
  • Staining, tooth, teeth (hard tissues) (extrinsic) (due to), deposits (betel) (black) (green) (materia alba) (orange) (soft) (tobacco)

Notes for K03.6

As CIHI prints them, with any note K03.6 takes from the headings above it.

Includes

  • Dental calculus:• subgingival• supragingivalDeposits [accretions] on teeth:• betel• black• green• materia alba• orange• tobaccoStaining of teeth:• NOS• extrinsic NOS

Excludes

Conditions classified elsewhere.

  • Bruxism (F45.8)dental caries (K02.-)teeth-grinding NOS (F45.8)From K03 Other diseases of hard tissues of teeth
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 11: Diseases of the digestive system (K00-K93)

Where K03.6 sits

  1. 1ChapterChapter 11: Diseases of the digestive system (K00-K93)
  2. 2Block K00-K14Diseases of oral cavity, salivary glands and jaws
  3. 3Category K03Other diseases of hard tissues of teeth
  4. 4Valid code K03.6Deposits [accretions] on teeth

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See K03.6 in the CIHI source

Frequently asked questions

What does ICD-10-CA code K03.6 mean?

K03.6 is the ICD-10-CA code for “Deposits [accretions] on teeth” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is K03.6 in ICD-10-CA?

K03.6 sits under K03 Other diseases of hard tissues of teeth, within K00-K14 Diseases of oral cavity, salivary glands and jaws, within Chapter 11: Diseases of the digestive system (K00-K93).

What coding notes apply to K03.6?

ICD-10-CA lists Includes, Excludes notes for K03.6, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside K03.6

K03.0Excessive attrition of teethK03.1Abrasion of teethK03.2Erosion of teethK03.3Pathological resorption of teethK03.4HypercementosisK03.5Ankylosis of teethK03.7Posteruptive colour changes of dental hard tissuesK03.8Other specified diseases of hard tissues of teethK03.9Disease of hard tissues of teeth, unspecified