Emergency: 119
AMDA-IMIC

D20 Benign neoplasm of soft tissue of retroperitoneum and peritoneum

Category / Non-billable header 2 subcodes

Block: Benign neoplasms, except benign neuroendocrine tumors (D10-D36)

Excludes 1 (cannot be coded together)

  • benign lipomatous neoplasm of peritoneum and retroperitoneum (D17.79)
  • benign neoplasm of mesothelial tissue (D19.-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
D20..0 Benign neoplasm of soft tissue of retroperitoneum Yes
D20..1 Benign neoplasm of soft tissue of peritoneum Yes

Last reviewed: September 2026