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Home/Diagnosis/ICD-10 Coding for Cutaneous T-Cell Lymphoma

ICD-10 Coding for Cutaneous T-Cell Lymphoma

C84.A0
C84.A4
C86.6

Complete ICD-10-CM coding and documentation guide for icd-10 coding for cutaneous t-cell lymphoma includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
CTCL
Cutaneous T-cell lymphoma
Skin T-cell lymphoma
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Key Information: ICD-10 Coding for Cutaneous T-Cell Lymphoma

Essential facts and insights about ICD-10 Coding for Cutaneous T-Cell Lymphoma

Use ICD-10 code C84.A0 for unspecified cutaneous t-cell lymphoma, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Unspecified cutaneous T-cell lymphoma

Billable Code
C84.A0
Billable

Diagnostic Criteria

  • • Biopsy confirms cutaneous T-cell lymphoma without specific site.

Applicable To

  • • Cutaneous T-cell lymphoma NOS

Important Notes

  • • Ensure documentation specifies the absence of systemic involvement.

Cutaneous T-cell lymphoma of axilla and upper limb lymph nodes

Billable Code
C84.A4
Billable

Diagnostic Criteria

  • • Biopsy confirming T-cell lymphoma in axillary nodes
  • • Imaging showing lymph node involvement

Applicable To

  • • CTCL with axillary lymph node involvement

Important Notes

  • • Ensure lymph node involvement is clearly documented.

Primary cutaneous CD30+ T-cell lymphoma

Non-Billable
C86.6
Non-Billable

Diagnostic Criteria

  • • Immunohistochemistry showing CD30 positivity
  • • Exclusion of systemic anaplastic large cell lymphoma

Applicable To

  • • CD30+ anaplastic large cell lymphoma

Important Notes

  • • CD30 positivity must be documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

L29.9

Pruritus

Use if the patient presents with intractable itching.

C77.3

Secondary and unspecified malignant neoplasm of axilla and upper limb lymph nodes

Use to specify lymph node involvement.

Frequently Asked Questions

What is the ICD-10 code for cutaneous T-cell lymphoma?

The ICD-10 code for unspecified cutaneous T-cell lymphoma is C84.A0. For specific sites, such as axillary involvement, use C84.A4.

How is CD30+ cutaneous lymphoma coded?

CD30+ primary cutaneous T-cell lymphoma is coded as C86.6, requiring biopsy confirmation of CD30 positivity.

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