ICD-10 · PDGM grouping
K00-K14 — Diseases of oral cavity and salivary glands
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in range
202
No clinical group
162
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
26 of the 202 codes in K00-K14 group to MMTA - Gastrointestinal tract and Genitourinary system, but the range is not uniform — it spreads across 2 clinical groups. A further 162 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in K00-K14
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
- K00Disorders of tooth development and eruption10 codes
- K01Embedded and impacted teeth2 codes
- K02Dental caries9 codes
- K03Other diseases of hard tissues of teeth11 codes
- K04Diseases of pulp and periapical tissues12 codes
- K05Gingivitis and periodontal diseases25 codes
- K06Other disorders of gingiva and edentulous alveolar ridge13 codes
- K08Other disorders of teeth and supporting structures73 codes
- K09Cysts of oral region, not elsewhere classified4 codes
- K11Diseases of salivary glands13 codes
- K12Stomatitis and related lesions8 codes
- K13Other diseases of lip and oral mucosa13 codes
- K14Diseases of tongue9 codes
Every code in K00-K14
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| K000 | Anodontia | None | Cannot lead a claim |
| K001 | Supernumerary teeth | None | Cannot lead a claim |
| K002 | Abnormalities of size and form of teeth | None | Cannot lead a claim |
| K003 | Mottled teeth | None | Cannot lead a claim |
| K004 | Disturbances in tooth formation | None | Cannot lead a claim |
| K005 | Hereditary disturbances in tooth structure, NEC | None | Cannot lead a claim |
| K006 | Disturbances in tooth eruption | None | Cannot lead a claim |
| K007 | Teething syndrome | None | Cannot lead a claim |
| K008 | Other disorders of tooth development | None | Cannot lead a claim |
| K009 | Disorder of tooth development, unspecified | None | Cannot lead a claim |
| K010 | Embedded teeth | None | Cannot lead a claim |
| K011 | Impacted teeth | None | Cannot lead a claim |
| K023 | Arrested dental caries | None | Cannot lead a claim |
| K0251 | Dental caries on pit and fissure surface limited to enamel | None | Cannot lead a claim |
| K0252 | Dental caries on pit and fissure surfc penetrat into dentin | None | Cannot lead a claim |
| K0253 | Dental caries on pit and fissure surface penetrat into pulp | None | Cannot lead a claim |
| K0261 | Dental caries on smooth surface limited to enamel | None | Cannot lead a claim |
| K0262 | Dental caries on smooth surface penetrating into dentin | None | Cannot lead a claim |
| K0263 | Dental caries on smooth surface penetrating into pulp | None | Cannot lead a claim |
| K027 | Dental root caries | None | Cannot lead a claim |
| K029 | Dental caries, unspecified | None | Cannot lead a claim |
| K030 | Excessive attrition of teeth | None | Cannot lead a claim |
| K031 | Abrasion of teeth | None | Cannot lead a claim |
| K032 | Erosion of teeth | None | Cannot lead a claim |
| K033 | Pathological resorption of teeth | None | Cannot lead a claim |
| K034 | Hypercementosis | None | Cannot lead a claim |
| K035 | Ankylosis of teeth | None | Cannot lead a claim |
| K036 | Deposits [accretions] on teeth | None | Cannot lead a claim |
| K037 | Posteruptive color changes of dental hard tissues | None | Cannot lead a claim |
| K0381 | Cracked tooth | None | Cannot lead a claim |
| K0389 | Other specified diseases of hard tissues of teeth | None | Cannot lead a claim |
| K039 | Disease of hard tissues of teeth, unspecified | None | Cannot lead a claim |
| K0401 | Reversible pulpitis | None | Cannot lead a claim |
| K0402 | Irreversible pulpitis | None | Cannot lead a claim |
| K041 | Necrosis of pulp | None | Cannot lead a claim |
| K042 | Pulp degeneration | None | Cannot lead a claim |
| K043 | Abnormal hard tissue formation in pulp | None | Cannot lead a claim |
| K044 | Acute apical periodontitis of pulpal origin | None | Cannot lead a claim |
| K045 | Chronic apical periodontitis | None | Cannot lead a claim |
| K046 | Periapical abscess with sinus | None | Cannot lead a claim |
| K047 | Periapical abscess without sinus | None | Cannot lead a claim |
| K048 | Radicular cyst | None | Cannot lead a claim |
| K0490 | Unspecified diseases of pulp and periapical tissues | None | Cannot lead a claim |
| K0499 | Other diseases of pulp and periapical tissues | None | Cannot lead a claim |
| K0500 | Acute gingivitis, plaque induced | None | Cannot lead a claim |
| K0501 | Acute gingivitis, non-plaque induced | None | Cannot lead a claim |
| K0510 | Chronic gingivitis, plaque induced | None | Cannot lead a claim |
| K0511 | Chronic gingivitis, non-plaque induced | None | Cannot lead a claim |
| K0520 | Aggressive periodontitis, unspecified | None | Cannot lead a claim |
| K05211 | Aggressive periodontitis, localized, slight | None | Cannot lead a claim |
| K05212 | Aggressive periodontitis, localized, moderate | None | Cannot lead a claim |
| K05213 | Aggressive periodontitis, localized, severe | None | Cannot lead a claim |
| K05219 | Aggressive periodontitis, localized, unspecified severity | None | Cannot lead a claim |
| K05221 | Aggressive periodontitis, generalized, slight | None | Cannot lead a claim |
| K05222 | Aggressive periodontitis, generalized, moderate | None | Cannot lead a claim |
| K05223 | Aggressive periodontitis, generalized, severe | None | Cannot lead a claim |
| K05229 | Aggressive periodontitis, generalized, unspecified severity | None | Cannot lead a claim |
| K0530 | Chronic periodontitis, unspecified | None | Cannot lead a claim |
| K05311 | Chronic periodontitis, localized, slight | None | Cannot lead a claim |
| K05312 | Chronic periodontitis, localized, moderate | None | Cannot lead a claim |
| K05313 | Chronic periodontitis, localized, severe | None | Cannot lead a claim |
| K05319 | Chronic periodontitis, localized, unspecified severity | None | Cannot lead a claim |
| K05321 | Chronic periodontitis, generalized, slight | None | Cannot lead a claim |
| K05322 | Chronic periodontitis, generalized, moderate | None | Cannot lead a claim |
| K05323 | Chronic periodontitis, generalized, severe | None | Cannot lead a claim |
| K05329 | Chronic periodontitis, generalized, unspecified severity | None | Cannot lead a claim |
| K054 | Periodontosis | None | Cannot lead a claim |
| K055 | Other periodontal diseases | None | Cannot lead a claim |
| K056 | Periodontal disease, unspecified | None | Cannot lead a claim |
| K06010 | Localized gingival recession, unspecified | None | Cannot lead a claim |
| K06011 | Localized gingival recession, minimal | None | Cannot lead a claim |
| K06012 | Localized gingival recession, moderate | None | Cannot lead a claim |
| K06013 | Localized gingival recession, severe | None | Cannot lead a claim |
| K06020 | Generalized gingival recession, unspecified | None | Cannot lead a claim |
| K06021 | Generalized gingival recession, minimal | None | Cannot lead a claim |
| K06022 | Generalized gingival recession, moderate | None | Cannot lead a claim |
| K06023 | Generalized gingival recession, severe | None | Cannot lead a claim |
| K061 | Gingival enlargement | None | Cannot lead a claim |
| K062 | Gingival & edentulous alveolar ridge lesions assoc w trauma | None | Cannot lead a claim |
| K063 | Horizontal alveolar bone loss | None | Cannot lead a claim |
| K068 | Oth disrd of gingiva and edentulous alveolar ridge | None | Cannot lead a claim |
| K069 | Disorder of gingiva and edentulous alveolar ridge, unsp | None | Cannot lead a claim |
| K080 | Exfoliation of teeth due to systemic causes | None | Cannot lead a claim |
| K08101 | Complete loss of teeth, unspecified cause, class I | None | Cannot lead a claim |
| K08102 | Complete loss of teeth, unspecified cause, class II | None | Cannot lead a claim |
| K08103 | Complete loss of teeth, unspecified cause, class III | None | Cannot lead a claim |
| K08104 | Complete loss of teeth, unspecified cause, class IV | None | Cannot lead a claim |
| K08109 | Complete loss of teeth, unspecified cause, unspecified class | None | Cannot lead a claim |
| K08111 | Complete loss of teeth due to trauma, class I | None | Cannot lead a claim |
| K08112 | Complete loss of teeth due to trauma, class II | None | Cannot lead a claim |
| K08113 | Complete loss of teeth due to trauma, class III | None | Cannot lead a claim |
| K08114 | Complete loss of teeth due to trauma, class IV | None | Cannot lead a claim |
| K08119 | Complete loss of teeth due to trauma, unspecified class | None | Cannot lead a claim |
| K08121 | Complete loss of teeth due to periodontal diseases, class I | None | Cannot lead a claim |
| K08122 | Complete loss of teeth due to periodontal diseases, class II | None | Cannot lead a claim |
| K08123 | Complete loss of teeth due to periodontal dis, class III | None | Cannot lead a claim |
| K08124 | Complete loss of teeth due to periodontal diseases, class IV | None | Cannot lead a claim |
| K08129 | Complete loss of teeth due to periodontal dis, unsp class | None | Cannot lead a claim |
| K08131 | Complete loss of teeth due to caries, class I | None | Cannot lead a claim |
| K08132 | Complete loss of teeth due to caries, class II | None | Cannot lead a claim |
| K08133 | Complete loss of teeth due to caries, class III | None | Cannot lead a claim |
| K08134 | Complete loss of teeth due to caries, class IV | None | Cannot lead a claim |
| K08139 | Complete loss of teeth due to caries, unspecified class | None | Cannot lead a claim |
| K08191 | Complete loss of teeth due to other specified cause, class I | None | Cannot lead a claim |
| K08192 | Complete loss of teeth due to oth cause, class II | None | Cannot lead a claim |
| K08193 | Complete loss of teeth due to oth cause, class III | None | Cannot lead a claim |
| K08194 | Complete loss of teeth due to oth cause, class IV | None | Cannot lead a claim |
| K08199 | Complete loss of teeth due to oth cause, unspecified class | None | Cannot lead a claim |
| K0820 | Unspecified atrophy of edentulous alveolar ridge | None | Cannot lead a claim |
| K0821 | Minimal atrophy of the mandible | None | Cannot lead a claim |
| K0822 | Moderate atrophy of the mandible | None | Cannot lead a claim |
| K0823 | Severe atrophy of the mandible | None | Cannot lead a claim |
| K0824 | Minimal atrophy of maxilla | None | Cannot lead a claim |
| K0825 | Moderate atrophy of the maxilla | None | Cannot lead a claim |
| K0826 | Severe atrophy of the maxilla | None | Cannot lead a claim |
| K083 | Retained dental root | None | Cannot lead a claim |
| K08401 | Partial loss of teeth, unspecified cause, class I | None | Cannot lead a claim |
| K08402 | Partial loss of teeth, unspecified cause, class II | None | Cannot lead a claim |
| K08403 | Partial loss of teeth, unspecified cause, class III | None | Cannot lead a claim |
| K08404 | Partial loss of teeth, unspecified cause, class IV | None | Cannot lead a claim |
| K08409 | Partial loss of teeth, unspecified cause, unspecified class | None | Cannot lead a claim |
| K08411 | Partial loss of teeth due to trauma, class I | None | Cannot lead a claim |
| K08412 | Partial loss of teeth due to trauma, class II | None | Cannot lead a claim |
| K08413 | Partial loss of teeth due to trauma, class III | None | Cannot lead a claim |
| K08414 | Partial loss of teeth due to trauma, class IV | None | Cannot lead a claim |
| K08419 | Partial loss of teeth due to trauma, unspecified class | None | Cannot lead a claim |
| K08421 | Partial loss of teeth due to periodontal diseases, class I | None | Cannot lead a claim |
| K08422 | Partial loss of teeth due to periodontal diseases, class II | None | Cannot lead a claim |
| K08423 | Partial loss of teeth due to periodontal diseases, class III | None | Cannot lead a claim |
| K08424 | Partial loss of teeth due to periodontal diseases, class IV | None | Cannot lead a claim |
| K08429 | Partial loss of teeth due to periodontal dis, unsp class | None | Cannot lead a claim |
| K08431 | Partial loss of teeth due to caries, class I | None | Cannot lead a claim |
| K08432 | Partial loss of teeth due to caries, class II | None | Cannot lead a claim |
| K08433 | Partial loss of teeth due to caries, class III | None | Cannot lead a claim |
| K08434 | Partial loss of teeth due to caries, class IV | None | Cannot lead a claim |
| K08439 | Partial loss of teeth due to caries, unspecified class | None | Cannot lead a claim |
| K08491 | Partial loss of teeth due to other specified cause, class I | None | Cannot lead a claim |
| K08492 | Partial loss of teeth due to other specified cause, class II | None | Cannot lead a claim |
| K08493 | Partial loss of teeth due to oth cause, class III | None | Cannot lead a claim |
| K08494 | Partial loss of teeth due to other specified cause, class IV | None | Cannot lead a claim |
| K08499 | Partial loss of teeth due to oth cause, unspecified class | None | Cannot lead a claim |
| K0850 | Unsatisfactory restoration of tooth, unspecified | None | Cannot lead a claim |
| K0851 | Open restoration margins of tooth | None | Cannot lead a claim |
| K0852 | Unrepairable overhanging of dental restorative materials | None | Cannot lead a claim |
| K08530 | Fractured dental restorative material w/o loss of material | None | Cannot lead a claim |
| K08531 | Fractured dental restorative material with loss of material | None | Cannot lead a claim |
| K08539 | Fractured dental restorative material, unspecified | None | Cannot lead a claim |
| K0854 | Contour of exist restor of tooth biolog incompat w oral hlth | None | Cannot lead a claim |
| K0855 | Allergy to existing dental restorative material | None | Cannot lead a claim |
| K0856 | Poor aesthetic of existing restoration of tooth | None | Cannot lead a claim |
| K0859 | Other unsatisfactory restoration of tooth | None | Cannot lead a claim |
| K0881 | Primary occlusal trauma | None | Cannot lead a claim |
| K0882 | Secondary occlusal trauma | None | Cannot lead a claim |
| K0889 | Other specified disorders of teeth and supporting structures | None | Cannot lead a claim |
| K089 | Disorder of teeth and supporting structures, unspecified | None | Cannot lead a claim |
| K090 | Developmental odontogenic cysts | None | Cannot lead a claim |
| K091 | Developmental (nonodontogenic) cysts of oral region | None | Cannot lead a claim |
| K098 | Other cysts of oral region, not elsewhere classified | None | Cannot lead a claim |
| K099 | Cyst of oral region, unspecified | None | Cannot lead a claim |
| K110 | Atrophy of salivary gland | A | Can lead a claim |
| K111 | Hypertrophy of salivary gland | J | Can lead a claim |
| K1120 | Sialoadenitis, unspecified | J | Can lead a claim |
| K1121 | Acute sialoadenitis | J | Can lead a claim |
| K1122 | Acute recurrent sialoadenitis | J | Can lead a claim |
| K1123 | Chronic sialoadenitis | J | Can lead a claim |
| K113 | Abscess of salivary gland | J | Can lead a claim |
| K114 | Fistula of salivary gland | A | Can lead a claim |
| K115 | Sialolithiasis | J | Can lead a claim |
| K116 | Mucocele of salivary gland | A | Can lead a claim |
| K117 | Disturbances of salivary secretion | J | Can lead a claim |
| K118 | Other diseases of salivary glands | J | Can lead a claim |
| K119 | Disease of salivary gland, unspecified | None | Cannot lead a claim |
| K120 | Recurrent oral aphthae | J | Can lead a claim |
| K121 | Other forms of stomatitis | J | Can lead a claim |
| K122 | Cellulitis and abscess of mouth | J | Can lead a claim |
| K1230 | Oral mucositis (ulcerative), unspecified | J | Can lead a claim |
| K1231 | Oral mucositis (ulcerative) due to antineoplastic therapy | J | Can lead a claim |
| K1232 | Oral mucositis (ulcerative) due to other drugs | J | Can lead a claim |
| K1233 | Oral mucositis (ulcerative) due to radiation | J | Can lead a claim |
| K1239 | Other oral mucositis (ulcerative) | J | Can lead a claim |
| K130 | Diseases of lips | J | Can lead a claim |
| K131 | Cheek and lip biting | A | Can lead a claim |
| K1321 | Leukoplakia of oral mucosa, including tongue | J | Can lead a claim |
| K1322 | Minimal keratinized residual ridge mucosa | A | Can lead a claim |
| K1323 | Excessive keratinized residual ridge mucosa | A | Can lead a claim |
| K1324 | Leukokeratosis nicotina palati | A | Can lead a claim |
| K1329 | Other disturbances of oral epithelium, including tongue | J | Can lead a claim |
| K133 | Hairy leukoplakia | A | Can lead a claim |
| K134 | Granuloma and granuloma-like lesions of oral mucosa | A | Can lead a claim |
| K135 | Oral submucous fibrosis | A | Can lead a claim |
| K136 | Irritative hyperplasia of oral mucosa | A | Can lead a claim |
| K1370 | Unspecified lesions of oral mucosa | None | Cannot lead a claim |
| K1379 | Other lesions of oral mucosa | J | Can lead a claim |
| K140 | Glossitis | J | Can lead a claim |
| K141 | Geographic tongue | J | Can lead a claim |
| K142 | Median rhomboid glossitis | A | Can lead a claim |
| K143 | Hypertrophy of tongue papillae | A | Can lead a claim |
| K144 | Atrophy of tongue papillae | J | Can lead a claim |
| K145 | Plicated tongue | A | Can lead a claim |
| K146 | Glossodynia | J | Can lead a claim |
| K148 | Other diseases of tongue | J | Can lead a claim |
| K149 | Disease of tongue, unspecified | None | Cannot lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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