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2025 ICD-10-CM code K57.9

Diverticular disease of the intestine, unspecified part, without perforation or abscess.

The correct ICD-10 code should reflect the patient's clinical presentation, including the location of the diverticula and the presence or absence of complications such as perforation, abscess, or bleeding.If the location is known, use the more specific codes within the K57 range.

Medical necessity for treatment is determined based on the presence and severity of symptoms.Mild symptoms might not necessitate intervention, while severe symptoms such as acute diverticulitis warrant prompt medical care.

The clinical responsibility for this code depends on the presentation and management of the diverticular disease.It may involve gastroenterologists, general surgeons, or primary care physicians.The physician's role encompasses diagnosis, treatment, and monitoring the patient's condition.

IMPORTANT:K57.0-K57.8 should be used if more specific information is available regarding the location (small or large intestine), presence of complications (perforation, abscess), or the presence of bleeding.If peritonitis is present, code K65.- should also be applied.Excludes1: congenital diverticulum of intestine (Q43.8), Meckel's diverticulum (Q43.0); Excludes2: diverticulum of appendix (K38.2).

In simple words: This code means you have small pouches in your intestines that aren't causing any serious problems like a hole or infection.These pouches are called diverticula, and this code describes the condition when they are present but not causing additional problems.

This code signifies diverticular disease affecting an unspecified part of the intestine, without complications such as perforation or abscess formation.It encompasses conditions where small pouches (diverticula) develop in the intestinal wall, but haven't led to more serious issues.This is a broad category encompassing diverticulosis (presence of diverticula without inflammation) and diverticulitis (inflammation of diverticula) without severe complications.

Example 1: A 65-year-old presents with intermittent abdominal discomfort and mild constipation. Colonoscopy reveals multiple diverticula in the sigmoid colon without inflammation.The appropriate ICD-10 code is K57.9.No further treatment is indicated at this time., A 70-year-old patient experienced several days of left lower quadrant pain, fever, and elevated white blood cell count. CT scan shows inflammation (diverticulitis) of sigmoid colon diverticula without perforation or abscess. K57.9 is coded as it is a nonspecific diverticulitis without complications., A 50-year-old is admitted to the emergency department following an episode of severe abdominal pain and fever. A CT scan shows diverticulitis with perforation and peritonitis.K57.9 is used in conjunction with K65.- (Peritonitis).

Complete history and physical examination; findings of relevant diagnostic imaging studies (e.g., colonoscopy, CT scan, abdominal X-ray); laboratory results such as complete blood count (CBC) and inflammatory markers (CRP, ESR); and any documentation of symptoms and treatment provided.

** This code is used for diverticular disease when the specific location in the intestine is not identified or is not clinically relevant in the context of a patient’s presentation.

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