ICD-10 Coding for MGUS(C90.0, C90.0M, C90.0P)

Learn about the ICD-10 coding for MGUS, including documentation requirements, clinical validation, and coding pitfalls.

Also known as:
Monoclonal Gammopathy of Undetermined Significance
Related ICD-10 Code Ranges

Complete code families applicable to MGUS

Key Information

Essential facts and insights aboutMGUS

Primary ICD-10-CM Codes
Differential Codes

Alternative codes to consider when ruling out similar conditions

Multiple myelomaC90.0
Polyclonal hypergammaglobulinemiaD89.0

Documentation & Coding Risks

Avoid these common issues when documenting MGUS.

Not documenting specific lab values

Impact

Clinical: Misclassification of the condition., Regulatory: Potential audit issues., Financial: Denial of claims due to insufficient documentation.

Mitigation

Always include specific lab results in documentation.

Coding D47.2 for smoldering myeloma

Impact

Reimbursement: Incorrect DRG assignment can affect reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use C90.0 if CRAB features are present.

Documentation of CRAB features

Impact

Failure to document absence of CRAB features can lead to incorrect coding.

Mitigation

Ensure thorough documentation of lab results and clinical findings.

Frequently Asked Questions