Tumor Tips

Tumor Tip of the Week- 04-05-2024 SSDI Peritoneal Cytology

04-05-2024 SSDI Peritoneal Cytology

Scenario: 2024

  • TAH/BSO-Invasive Adenocarcinoma, grade 2, depth of stromal invasion 6.15mm, horizontal extent of stromal invasion 14mm, silva pattern of invasion-pattern C, 0/4 pelvic lymph nodes negative, margins negative, no lymphovascular invasion, pT1b1 pN0.
  • 6/15/2023 Peritoneal Washing- atypical cell present

Question:  How would you code the SSDI Peritoneal Cytology?

0 Peritoneal cytology/washing negative for malignancy

1 Peritoneal cytology/washing atypical and/or suspicious

2 Peritoneal cytology/washing malignant (positive for malignancy)

3 Unsatisfactory/nondiagnostic

9 Not documented in medical record Peritoneal cytology not assessed or unknown if assessed

Answer:  1 Peritoneal cytology/washing atypical and/or suspicious

Rationale: 

SSDI Manual 3.1

  • Note 2: Peritoneal cytology may also be called peritoneal ascitic fluid instead of peritoneal washing or pelvic washing.

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