2021 ICD-10-CM Diagnosis Code H70.001

Acute mastoiditis without complications, right ear

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • H70.001 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM H70.001 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of H70.001 - other international versions of ICD-10 H70.001 may differ.
The following code(s) above H70.001 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 H70.001:
  • H60-H95
    2021 ICD-10-CM Range H60-H95

    Diseases of the ear and mastoid process

    Note
    • Use an external cause code following the code for the ear condition, if applicable, to identify the cause of the ear condition
    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 ear and mastoid process
  • H70.0
    ICD-10-CM Diagnosis Code H70.0

    Acute mastoiditis

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Applicable To
    • Abscess of mastoid
    • Empyema of mastoid
    Acute mastoiditis
Approximate Synonyms
  • Right acute mastoiditis
  • Right mastoid abcess
  • Right mastoid abscess
ICD-10-CM H70.001 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 152 Otitis media and uri with mcc
  • 153 Otitis media and uri without mcc

Convert H70.001 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
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To H70.001
H69.82 …… left ear
H69.83 …… bilateral
H69.9 Unspecified Eustachian tube disorder
H69.90 …… unspecified ear
H69.91 …… right ear
H69.92 …… left ear
H69.93 …… bilateral
H70 Mastoiditis and related conditions
H70.0 Acute mastoiditis
H70.00 Acute mastoiditis without complications
H70.001 …… right ear
H70.002 …… left ear
H70.003 …… bilateral
H70.009 …… unspecified ear
H70.01 Subperiosteal abscess of mastoid
H70.011 …… right ear
H70.012 …… left ear
H70.013 …… bilateral
H70.019 …… unspecified ear
H70.09 Acute mastoiditis with other complications
H70.091 …… right ear

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