D19.1 — Benign neoplasm of mesothelial tissue of peritoneum
D19.1 is a billable, specific ICD-10-CM code for benign neoplasm of mesothelial tissue of peritoneum. It is valid for submission on a claim.
Risk adjustment
D19.1 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
D19.1 is named in 10 Medicare coverage policies — 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52370Billing and Coding: Bevacizumab and biosimilars
- A56421Billing and Coding: CT of the Abdomen and Pelvis
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56695Billing and Coding: Implantable Infusion Pump
How D19.1 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D19.1.
- Mesothelioma›benign›mesentery
- Mesothelioma›benign›mesocolon
- Mesothelioma›benign›omentum
- Mesothelioma›benign›peritoneum
- Mesothelioma›biphasic›benign›mesentery
- Mesothelioma›biphasic›benign›mesocolon
- Mesothelioma›biphasic›benign›omentum
- Mesothelioma›biphasic›benign›peritoneum
- Mesothelioma›epithelioid›benign›mesentery
- Mesothelioma›epithelioid›benign›mesocolon
- Mesothelioma›epithelioid›benign›omentum
- Mesothelioma›epithelioid›benign›peritoneum
Related codes at this level
Codes that share D19. If D19.1 is not quite right, the correct code is usually one of these.
Questions about D19.1
- Is D19.1 a billable ICD-10-CM code?
- Yes. D19.1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D19.1 sit in the tabular list?
- Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).