R51.9 - Headache, unspecified

Clinical Definition

Malignant neoplasm of the vulva is a primary gynecological cancer that develops in the external female genitalia. This includes cancers affecting the labia majora, labia minora, clitoris, and Bartholin's glands.

Documentation Requirements

• Anatomic Site Specificity

  • Exact location on vulva (e.g., labia majora, labia minora, clitoris)

  • Laterality (right, left, bilateral) if applicable

  • Involvement of multiple sites

• Disease Characteristics

  • Primary vs. secondary malignancy

  • Histological type (e.g., squamous cell carcinoma)

  • Stage of cancer (TNM classification)

• Treatment Status

  • Initial vs. recurrent

  • Current treatment phase

  • Response to treatment

Common Synonyms

• Vulvar cancer

• Cancer of external female genitalia

• Vulvar carcinoma

• "Growth on private parts" (patient terminology)

Coding Conflicts

Excludes1:

• Melanoma of vulva (C43.51)

• Paget's disease of vulva (C50.-)

Excludes2:

• Secondary malignant neoplasm of vulva

• Carcinoma in situ of vulva (D07.1)

Scribing.io Automation

The AI scribe automatically detects key phrases like:

• Anatomical terms ("labia majora," "clitoris")

• Cancer staging terminology

• Treatment modalities

• Histological descriptions

• Progress notes indicating disease status

The system flags missing documentation elements and prompts for specificity when needed for accurate coding.