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C84.06

Billable

Mycosis fungoides, intrapelvic lymph nodes

HCC Category Mapping

V28HCC 20Lung and Other Severe Cancers
0.000
V24HCC 10Lymphoma and Other Cancers
0.675
ESRDHCC 10Lymphoma and Other Cancers
0.000
RxHCCHCC 19Lymphoma and Other Cancers
0.000

What This Code Means

A rare type of skin cancer (mycosis fungoides) that has spread to the lymph nodes in the pelvis area.

Coding Tips

  • Confirm intrapelvic lymph node involvement through CT or MRI imaging of the pelvis
  • The '6' designator specifically indicates pelvic lymph node involvement

Clinical Significance

Mycosis fungoides with intrapelvic lymph node involvement is an uncommon presentation indicating advanced disease with spread to deep pelvic lymph nodes such as iliac or obturator nodes. This level of visceral lymph node involvement in mycosis fungoides signifies high-stage disease requiring aggressive systemic management and carries a poor prognosis compared to skin-limited disease.

Documentation Requirements

  • Skin biopsy confirming mycosis fungoides
  • Pelvic imaging documenting intrapelvic lymphadenopathy
  • Pathologic confirmation of lymphomatous involvement if available
  • TNMB staging reflecting deep nodal disease
  • Systemic treatment plan

Commonly Confused Codes

Code Hierarchy

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