2020 ICD-10-CM Diagnosis Code K08.20

Unspecified atrophy of edentulous alveolar ridge

    2016 2017 2018 2019 2020 Billable/Specific Code
  • K08.20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM K08.20 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of K08.20 - other international versions of ICD-10 K08.20 may differ.
Applicable To
  • Atrophy of the mandible NOS
  • Atrophy of the maxilla NOS
The following code(s) above K08.20 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to K08.20:
  • K00-K95
    2020 ICD-10-CM Range K00-K95

    Diseases of the digestive system

    Type 2 Excludes
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the digestive system
  • K08
    ICD-10-CM Diagnosis Code K08

    Other disorders of teeth and supporting structures

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • dentofacial anomalies [including malocclusion] (M26.-)
    • disorders of jaw (M27.-)
    Other disorders of teeth and supporting structures
Approximate Synonyms
  • Atrophy of edentulous alveolar ridge
  • Horizontal atrophy of edentulous alveolar ridge
ICD-10-CM K08.20 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 011 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth & neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth & neck diagnoses or laryngectomy without cc/mcc
  • 157 Dental and oral diseases with mcc
  • 158 Dental and oral diseases with cc
  • 159 Dental and oral diseases without cc/mcc

Convert K08.20 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change

Diagnosis Index entries containing back-references to K08.20:

ICD-10-CM Codes Adjacent To K08.20
K08.133 …… class III
K08.134 …… class IV
K08.139 …… unspecified class
K08.19 Complete loss of teeth due to other specified cause
K08.191 …… class I
K08.192 …… class II
K08.193 …… class III
K08.194 …… class IV
K08.199 …… unspecified class
K08.2 Atrophy of edentulous alveolar ridge
K08.20 Unspecified atrophy of edentulous alveolar ridge
K08.21 Minimal atrophy of the mandible
K08.22 Moderate atrophy of the mandible
K08.23 Severe atrophy of the mandible
K08.24 Minimal atrophy of maxilla
K08.25 Moderate atrophy of the maxilla
K08.26 Severe atrophy of the maxilla
K08.3 Retained dental root
K08.4 Partial loss of teeth
K08.40 Partial loss of teeth, unspecified cause
K08.401 …… class I

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.