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ICD-10-CM 2027

ICD-10 code for Lymphomatoid papulosis

C86.6

Primary cutaneous CD30-positive T-cell proliferations

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Papulosis › lymphomatoid”. Page updated September 29, 2026.

About coding Lymphomatoid papulosis

The ICD-10-CM code for Lymphomatoid papulosis is C86.6 (Primary cutaneous CD30-positive T-cell proliferations).

Within C86 (other specified types of T/NK-cell lymphoma), C86.6 is specifically for primary cutaneous CD30-positive T-cell proliferations. Related codes cover extranodal NK/T-cell lymphoma, nasal type (C86.0), Hepatosplenic T-cell lymphoma (C86.1), Enteropathy-type (intestinal) T-cell lymphoma (C86.2), subcutaneous panniculitis-like T-cell lymphoma (C86.3), Blastic NK-cell lymphoma (C86.4) and Angioimmunoblastic T-cell lymphoma (C86.5).

To report this condition, pick the subcode that matches the documentation: C86.60 (not having achieved remission) and C86.61 (in remission).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2025 (expanded into subcodes).

Common questions about Lymphomatoid papulosis ICD-10 codes

What is the ICD-10 code for Lymphomatoid papulosis?

C86.6 — Primary cutaneous CD30-positive T-cell proliferations (a header code; report a more specific subcode).

Is C86.6 billable?

No. C86.6 is a header code. Report one of its more specific subcodes instead.