2023

  1. ICD-10-CM Codes
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  2. C00-D49
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  3. C43-C4A
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  4. C44-
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  5. 2023 ICD-10-CM Diagnosis Code C44.391

2023 ICD-10-CM Diagnosis Code C44.391

Other specified malignant neoplasm of skin of nose

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • C44.391 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM C44.391 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of C44.391 - other international versions of ICD-10 C44.391 may differ.
The following code(s) above C44.391 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 C44.391:
  • C00-D49
    2023 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 2019 2020 2021 2022 2023 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
Approximate Synonyms
  • Angiosarcoma of skin of nose
  • Cutaneous angiosarcoma, nose
ICD-10-CM C44.391 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert C44.391 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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to C44.391:
  • Type 1 Excludes: C30.0
    ICD-10-CM Diagnosis Code C30.0

    Malignant neoplasm of nasal cavity

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Malignant neoplasm of cartilage of nose
    • Malignant neoplasm of nasal concha
    • Malignant neoplasm of internal nose
    • Malignant neoplasm of septum of nose
    • Malignant neoplasm of vestibule of nose
    Type 1 Excludes
    • malignant neoplasm of nasal bone (C41.0)
    • malignant neoplasm of nose NOS (C76.0)
    • malignant neoplasm of olfactory bulb (C72.2-)
    • malignant neoplasm of posterior margin of nasal septum and choana (C11.3)
    • malignant melanoma of skin of nose (C43.31)
    • malignant neoplasm of turbinates (C41.0)
    • other and unspecified malignant neoplasm of skin of nose (C44.301, C44.311, C44.321, C44.391)
ICD-10-CM Codes Adjacent To C44.391
C44.31 Basal cell carcinoma of skin of other and unspecified parts of face
C44.310 Basal cell carcinoma of skin of unspecified parts of face
C44.311 Basal cell carcinoma of skin of nose
C44.319 Basal cell carcinoma of skin of other parts of face
C44.32 Squamous cell carcinoma of skin of other and unspecified parts of face
C44.320 Squamous cell carcinoma of skin of unspecified parts of face
C44.321 Squamous cell carcinoma of skin of nose
C44.329 Squamous cell carcinoma of skin of other parts of face
C44.39 Other specified malignant neoplasm of skin of other and unspecified parts of face
C44.390 Other specified malignant neoplasm of skin of unspecified parts of face
C44.391 Other specified malignant neoplasm of skin of nose
C44.399 Other specified malignant neoplasm of skin of other parts of face
C44.4 Other and unspecified malignant neoplasm of skin of scalp and neck
C44.40 Unspecified malignant neoplasm of skin of scalp and neck
C44.41 Basal cell carcinoma of skin of scalp and neck
C44.42 Squamous cell carcinoma of skin of scalp and neck
C44.49 Other specified malignant neoplasm of skin of scalp and neck
C44.5 Other and unspecified malignant neoplasm of skin of trunk
C44.50 Unspecified malignant neoplasm of skin of trunk
C44.500 Unspecified malignant neoplasm of anal skin
C44.501 Unspecified malignant neoplasm of skin of breast

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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