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D19.9

D19.9: Benign neoplasm of mesothelial tissue, unspecified

Billable / specific codeICD-10-CM

D19.9 is a billable, specific ICD-10-CM code for benign neoplasm of mesothelial tissue, unspecified. It is valid for submission on a claim.

Check D19.9 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Benign mesothelioma NOS

Other codes that can never be billed with D19.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • D15Benign neoplasm of other and unspecified intrathoracic organs
  • D20Benign neoplasm of soft tissue of retroperitoneum and peritoneum

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

D19.9 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56695Billing and Coding: Implantable Infusion Pump
  • A57452Billing and Coding: Peripheral Nerve Blocks
  • A57788Billing and Coding: Peripheral Nerve Blocks

Alphabetic index entries that lead here

  • Mesothelioma›benign›unspecified site
  • Mesothelioma›biphasic›benign›unspecified site
  • Mesothelioma›epithelioid›benign›unspecified site
  • Mesothelioma›fibrous›benign›unspecified site

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D19

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.