ICD-10 Diagnosis Code C43.9


Malignant melanoma of skin, unspecified

Diagnosis Code C43.9

ICD-10: C43.9
Short Description: Malignant melanoma of skin, unspecified
Long Description: Malignant melanoma of skin, unspecified
This is the 2018 version of the ICD-10-CM diagnosis code C43.9

Valid for Submission
The code C43.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Neoplasms (C00–D48)
    • Melanoma and other malignant neoplasms of skin (C43-C44)
      • Malignant melanoma of skin (C43)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code C43.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)

  • 595 - MAJOR SKIN DISORDERS WITH MCC
  • 596 - MAJOR SKIN DISORDERS WITHOUT MCC

Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

Synonyms
  • Acral lentiginous malignant melanoma of skin
  • Adverse effect from psoralen and long-wave ultraviolet radiation photochemotherapy
  • Amelanotic malignant melanoma of skin
  • Balloon cell malignant melanoma
  • Borderline malignant melanoma
  • Clark melanoma level 3
  • Clark melanoma level 4
  • Congenital hamartoma of skin
  • Congenital malignant melanoma
  • Congenital pigmented melanocytic nevus
  • Congenital pigmented melanocytic nevus of skin
  • Desmoplastic malignant melanoma
  • Hypermelanosis due to neoplasia
  • Hypomelanosis surrounding malignant melanoma
  • Hypomelanosis surrounding melanocytic neoplasm
  • In situ acral lentiginous malignant melanoma
  • Lentigo maligna melanoma
  • Local recurrence of malignant melanoma of skin
  • Malignant blue nevus of skin
  • Malignant melanoma
  • Malignant melanoma
  • Malignant melanoma
  • Malignant melanoma animal-type
  • Malignant melanoma arising in congenital nevus
  • Malignant melanoma arising in intradermal nevus
  • Malignant melanoma metastatic to kidney
  • Malignant melanoma metastatic to pancreas
  • Malignant melanoma of nail apparatus
  • Malignant melanoma of skin
  • Malignant neoplasm of nail apparatus
  • Materno-fetal metastatic malignant melanoma
  • Melanoma carcinomatosis
  • Metastasis from malignant melanoma of skin
  • Metastatic malignant melanoma
  • Metastatic malignant melanoma
  • Metastatic malignant melanoma
  • Metastatic malignant melanoma with diffuse hypermelanosis
  • Neurotropic malignant melanoma
  • Nodular malignant melanoma of skin
  • Psoralen and long-wave ultraviolet radiation therapy-associated malignant melanoma
  • Psoralen and long-wave ultraviolet radiation therapy-associated skin malignancy
  • Secondary malignant neoplasm of kidney
  • Secondary malignant neoplasm of pancreas
  • Spindle cell malignant melanoma
  • Superficial spreading malignant melanoma of skin
  • Surgical deep margin involved by malignant melanoma
  • Surgical deep margin involved by malignant neoplasm
  • Surgical deep margin involvement by melanoma cannot be assessed
  • Surgical deep margin uninvolved by malignant melanoma
  • Surgical lateral margin involved by malignant melanoma
  • Surgical lateral margin involvement by melanoma cannot be assessed
  • Surgical lateral margin uninvolved by malignant melanoma
  • Widespread metastatic malignant neoplastic disease

Index of Diseases and Injuries
References found for the code C43.9 in the Index of Diseases and Injuries:


Information for Patients


Melanoma

Melanoma is the most serious type of skin cancer. Often the first sign of melanoma is a change in the size, shape, color, or feel of a mole. Most melanomas have a black or black-blue area. Melanoma may also appear as a new mole. It may be black, abnormal, or "ugly looking."

Thinking of "ABCDE" can help you remember what to watch for:

  • Asymmetry - the shape of one half does not match the other
  • Border - the edges are ragged, blurred or irregular
  • Color - the color is uneven and may include shades of black, brown and tan
  • Diameter - there is a change in size, usually an increase
  • Evolving - the mole has changed over the past few weeks or months

Surgery is the first treatment of all stages of melanoma. Other treatments include chemotherapy and radiation, biologic, and targeted therapies. Biologic therapy boosts your body's own ability to fight cancer. Targeted therapy uses substances that attack cancer cells without harming normal cells.

NIH: National Cancer Institute

  • After chemotherapy - discharge (Medical Encyclopedia)
  • Melanoma (Medical Encyclopedia)
  • Melanoma of the eye (Medical Encyclopedia)
  • Understanding Chemotherapy - NIH - Easy-to-Read (National Cancer Institute)
  • What to Know about External Beam Radiation Therapy - NIH - Easy-to-Read (National Cancer Institute)


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