2021

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. C30-C39 Malignant neoplasms of respiratory and intrathoracic organs
    4. ›
  4. C30- Malignant neoplasm of nasal cavity and middle ear
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code C30.1

2021 ICD-10-CM Diagnosis Code C30.1

Malignant neoplasm of middle ear

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • C30.1 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 C30.1 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of C30.1 - other international versions of ICD-10 C30.1 may differ.
Applicable To
  • Malignant neoplasm of antrum tympanicum
  • Malignant neoplasm of auditory tube
  • Malignant neoplasm of eustachian tube
  • Malignant neoplasm of inner ear
  • Malignant neoplasm of mastoid air cells
  • Malignant neoplasm of tympanic cavity
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as C30.1. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • malignant neoplasm of auricular canal (external) (
    ICD-10-CM Diagnosis Code C43.2

    Malignant melanoma of ear and external auricular canal

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    C43.2-
    ,
    ICD-10-CM Diagnosis Code C44.2

    Other and unspecified malignant neoplasm of skin of ear and external auricular canal

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • connective tissue of ear (C49.0)
    C44.2-
    )
  • malignant neoplasm of bone of ear (meatus) (
    ICD-10-CM Diagnosis Code C41.0

    Malignant neoplasm of bones of skull and face

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Malignant neoplasm of maxilla (superior)
    • Malignant neoplasm of orbital bone
    Type 2 Excludes
    • carcinoma, any type except intraosseous or odontogenic of:
    • maxillary sinus (C31.0)
    • upper jaw (C03.0)
    • malignant neoplasm of jaw bone (lower) (C41.1)
    C41.0
    )
  • malignant neoplasm of cartilage of ear (
    ICD-10-CM Diagnosis Code C49.0

    Malignant neoplasm of connective and soft tissue of head, face and neck

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Malignant neoplasm of connective tissue of ear
    • Malignant neoplasm of connective tissue of eyelid
    Type 1 Excludes
    • connective tissue of orbit (C69.6-)
    C49.0
    )
  • malignant melanoma of skin of (external) ear (
    ICD-10-CM Diagnosis Code C43.2

    Malignant melanoma of ear and external auricular canal

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    C43.2-
    )
  • other and unspecified malignant neoplasm of skin of (external) ear (
    ICD-10-CM Diagnosis Code C44.2

    Other and unspecified malignant neoplasm of skin of ear and external auricular canal

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • connective tissue of ear (C49.0)
    C44.2-
    )
The following code(s) above C30.1 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 C30.1:
  • C00-D49
    2021 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • Functional activity
    • All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
    • Morphology [Histology]
    • Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
    • Primary malignant neoplasms overlapping site boundaries
    • A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
    • Malignant neoplasm of ectopic tissue
    • Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
    Neoplasms
  • C30-C39
    2021 ICD-10-CM Range C30-C39

    Malignant neoplasms of respiratory and intrathoracic organs

    Includes
    • malignant neoplasm of middle ear
    Type 1 Excludes
    Malignant neoplasms of respiratory and intrathoracic organs
Approximate Synonyms
  • Cancer of the middle ear
  • Primary malignant neoplasm of middle ear
  • Primary squamous cell of middle ear
  • Squamous cell carcinoma, middle ear
Clinical Information
  • Malignant neoplasm originating in the middle ear.
ICD-10-CM C30.1 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 146 Ear, nose, mouth and throat malignancy with mcc
  • 147 Ear, nose, mouth and throat malignancy with cc
  • 148 Ear, nose, mouth and throat malignancy without cc/mcc

Convert C30.1 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 C30.1
C25.4 Malignant neoplasm of endocrine pancreas
C25.7 Malignant neoplasm of other parts of pancreas
C25.8 Malignant neoplasm of overlapping sites of pancreas
C25.9 Malignant neoplasm of pancreas, unspecified
C26 Malignant neoplasm of other and ill-defined digestive organs
C26.0 Malignant neoplasm of intestinal tract, part unspecified
C26.1 Malignant neoplasm of spleen
C26.9 Malignant neoplasm of ill-defined sites within the digestive system
C30 Malignant neoplasm of nasal cavity and middle ear
C30.0 Malignant neoplasm of nasal cavity
C30.1 Malignant neoplasm of middle ear
C31 Malignant neoplasm of accessory sinuses
C31.0 Malignant neoplasm of maxillary sinus
C31.1 Malignant neoplasm of ethmoidal sinus
C31.2 Malignant neoplasm of frontal sinus
C31.3 Malignant neoplasm of sphenoid sinus
C31.8 Malignant neoplasm of overlapping sites of accessory sinuses
C31.9 Malignant neoplasm of accessory sinus, unspecified
C32 Malignant neoplasm of larynx
C32.0 Malignant neoplasm of glottis
C32.1 Malignant neoplasm of supraglottis

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

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