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R92.34

⚠ Non-billable (Header)

Mammographic extreme density of breast

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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Also Known As

Breast density category within Imaging Reporting and Data System (BI-RADS): D
✅ No additional coding notes for R92.34

Child Codes (3)

R92.341Mammographic extreme density, right breastR92.342Mammographic extreme density, left breastR92.343Mammographic extreme density, bilateral breasts

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Code Information

CodeR92.34
BillableNo — Header code
ParentR92.3
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)