556.4 PSEUDOPOLYPOSIS COLON


Code Information

Diagnosis Code: 556.4

Short Description: Pseudopolyposis colon

Long Description: Pseudopolyposis of colon

Code Classification:

  • Diseases of the digestive system (520–579)
    • Noninfective enteritis and colitis (555-558)
      • 556 Ulcerative colitis
        • 556.4 Pseudopolyposis colon

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 556.4 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Pseudopolyposis, colon 556.4

Crosswalk Information

The code 556.4 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
556.4 Right Arrow K51.40 Inflammatory polyps of colon without complications
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
556.0 Ulcerative (chronic) enterocolitis
556.1 Ulcerative (chronic) ileocolitis
556.2 Ulcerative (chronic) proctitis
556.3 Ulcerative (chronic) proctosigmoiditis
556.5 Left-sided ulcerative (chronic) colitis
556.6 Universal ulcerative (chronic) colitis
556.8 Other ulcerative colitis
556.9 Ulcerative colitis, unspecified


This page was last updated on: 10/1/2014