2018

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. C43-C4A Melanoma and other malignant neoplasms of skin
    4. ›
  4. C44- Other and unspecified malignant neoplasm of skin
    5. ›

2018 ICD-10-CM Diagnosis Code C44.2

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

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 C44.2. 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.
  • connective tissue of ear (
    ICD-10-CM Diagnosis Code C49.0

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

      2016 2017 2018 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
    )
The following code(s) above C44.2 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 C44.2:
  • C00-D49
    2018 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
  • C44
    ICD-10-CM Diagnosis Code C44

    Other and unspecified malignant neoplasm of skin

      2016 2017 2018 Non-Billable/Non-Specific Code
    Includes
    • malignant neoplasm of sebaceous glands
    • malignant neoplasm of sweat glands
    Type 1 Excludes
    • Kaposi's sarcoma of skin (C46.0)
    • malignant melanoma of skin (C43.-)
    • malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)
    • Merkel cell carcinoma (C4A.-)
    Other and unspecified malignant neoplasm of skin
Code History
Code annotations containing back-references to C44.2:
ICD-10-CM Codes Adjacent To C44.2
C44.112 Basal cell carcinoma of skin of right eyelid, including canthus
C44.119 Basal cell carcinoma of skin of left eyelid, including canthus
C44.12 Squamous cell carcinoma of skin of eyelid, including canthus
C44.121 Squamous cell carcinoma of skin of unspecified eyelid, including canthus
C44.122 Squamous cell carcinoma of skin of right eyelid, including canthus
C44.129 Squamous cell carcinoma of skin of left eyelid, including canthus
C44.19 Other specified malignant neoplasm of skin of eyelid, including canthus
C44.191 Other specified malignant neoplasm of skin of unspecified eyelid, including canthus
C44.192 Other specified malignant neoplasm of skin of right eyelid, including canthus
C44.199 Other specified malignant neoplasm of skin of left eyelid, including canthus
C44.2 Other and unspecified malignant neoplasm of skin of ear and external auricular canal
C44.20 Unspecified malignant neoplasm of skin of ear and external auricular canal
C44.201 Unspecified malignant neoplasm of skin of unspecified ear and external auricular canal
C44.202 Unspecified malignant neoplasm of skin of right ear and external auricular canal
C44.209 Unspecified malignant neoplasm of skin of left ear and external auricular canal
C44.21 Basal cell carcinoma of skin of ear and external auricular canal
C44.211 Basal cell carcinoma of skin of unspecified ear and external auricular canal
C44.212 Basal cell carcinoma of skin of right ear and external auricular canal
C44.219 Basal cell carcinoma of skin of left ear and external auricular canal
C44.22 Squamous cell carcinoma of skin of ear and external auricular canal
C44.221 Squamous cell carcinoma of skin of unspecified ear and external auricular canal

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