C90.11 is the authoritative medical code for Plasma cell leukemia in remission. This classification is used in medical billing and clinical recording to specify the clinical criteria for plasma cell leukemia in remission (ICD-10-CM C90.11), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Plasma cell leukemia in remission is a billable ICD-10-CM diagnosis code C90.11. Excludes1 (not coded here): personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues Z85.79. Excludes2 (not included here): Kaposi's sarcoma of lymph nodes C46.3; secondary and unspecified neoplasm of lymph nodes C77.-; secondary neoplasm of bone marrow C79.52; secondary neoplasm of spleen C78.89.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for C90.11 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues Z85.79
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- Kaposi's sarcoma of lymph nodes C46.3
- secondary and unspecified neoplasm of lymph nodes C77.-
- secondary neoplasm of bone marrow C79.52
- secondary neoplasm of spleen C78.89
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with C90.11?
Per Excludes1 instructions, C90.11 must not be reported with: personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79).
Can C90.11 be reported alongside related conditions?
Per Excludes2 instructions, C90.11 and the following may both be reported when both are present: Kaposi's sarcoma of lymph nodes (C46.3); secondary and unspecified neoplasm of lymph nodes (C77.-); secondary neoplasm of bone marrow (C79.52); secondary neoplasm of spleen (C78.89).
Codes in This Family (16)
Official ICD-10-CM classifications in the same code family as C90.11, with their registry titles.
- C90 — Multiple myeloma and malignant plasma cell neoplasms
- C90.0 — Multiple myeloma
- C90.00 — Multiple myeloma not having achieved remission
- C90.01 — Multiple myeloma in remission
- C90.02 — Multiple myeloma in relapse
- C90.1 — Plasma cell leukemia
- C90.10 — Plasma cell leukemia not having achieved remission
- C90.12 — Plasma cell leukemia in relapse
- C90.2 — Extramedullary plasmacytoma
- C90.20 — Extramedullary plasmacytoma not having achieved remission
- C90.21 — Extramedullary plasmacytoma in remission
- C90.22 — Extramedullary plasmacytoma in relapse
- C90.3 — Solitary plasmacytoma
- C90.30 — Solitary plasmacytoma not having achieved remission
- C90.31 — Solitary plasmacytoma in remission
- C90.32 — Solitary plasmacytoma in relapse
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code C85.11
Unspecified B-cell lymphoma, lymph nodes of head, face, and neck