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K57.30
ICD-10-CM
Diverticulitis of the Colon

Find comprehensive information on Diverticulitis of the Colon, also known as Colonic Diverticulitis and Diverticular Disease of the Colon. This resource offers guidance on diagnosis, clinical documentation, and medical coding for healthcare professionals. Learn about symptoms, treatment, and best practices for accurate Diverticulitis of the Colon coding and documentation to improve patient care and optimize reimbursement. Explore relevant medical terminology and clinical findings associated with Diverticular Disease of the Colon for accurate and efficient healthcare documentation.

Also known as

Colonic Diverticulitis
Diverticular Disease of the Colon

Diagnosis Snapshot

Key Facts
  • Definition : Inflammation or infection of small pouches (diverticula) in the colon wall.
  • Clinical Signs : Abdominal pain (usually left-sided), fever, nausea, constipation or diarrhea, bloating.
  • Common Settings : Outpatient clinic, emergency room, hospital (for severe cases).

Related ICD-10 Code Ranges

Complete code families applicable to AAPC K57.30 Coding
K57

Diverticular disease of intestine

Covers diverticulitis and diverticulosis of the colon and other intestinal areas.

K57.2

Diverticulitis of colon (without perforation or abscess)

Specifically for uncomplicated diverticulitis of the colon.

K57.3

Diverticulitis of colon with perforation and abscess

Identifies complicated cases with perforation and/or abscess formation.

K57.9

Diverticular disease of colon, unspecified

Used when the specific type of colonic diverticular disease isn't specified.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the diverticulitis with perforation?

  • Yes

    With peritonitis?

  • No

    With abscess?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Inflammation of colon pouches (diverticula).
Presence of colon pouches without inflammation.
Bleeding from colon pouches (diverticula).

Documentation Best Practices

Documentation Checklist
  • Document location, severity, and symptoms of diverticulitis
  • Specify acute or chronic diverticulitis
  • Note complications: abscess, perforation, fistula
  • Record imaging findings (CT, ultrasound)
  • Code using ICD-10-CM K57, specify complications

Coding and Audit Risks

Common Risks
  • Unconfirmed Location

    Coding requires specifying if diverticulitis affects the small intestine, large intestine, or both. Missing documentation of location leads to coding errors.

  • Unspecified Complications

    Complications like abscess, perforation, or obstruction impact coding. Failing to document these specifically leads to undercoding and lost revenue.

  • Acute vs. Chronic Confusion

    Distinguishing between acute and chronic diverticulitis is crucial for accurate coding and affects clinical documentation improvement (CDI) queries.

Mitigation Tips

Best Practices
  • High-fiber diet prevents diverticulitis flares. ICD-10 K57.32
  • Document diverticulitis severity (mild, moderate, severe) for accurate coding. CDI query opportunity.
  • Monitor for complications like abscess, perforation. HCC quality measure.
  • Timely diagnosis, treatment minimizes risk of sepsis, stricture. K57.33
  • Encourage hydration to soften stool, reduce colon strain. K57.90

Clinical Decision Support

Checklist
  • LLQ pain, fever, elevated WBC? Rule out other diagnoses (appendicitis, PID).
  • Document diverticula location/extent (sigmoid, proximal, etc.) for ICD-10-CM accuracy (K57).
  • Assess for complications: abscess, perforation, fistula. Impacts coding (e.g., K57.3).
  • Consider CT scan with contrast for diagnosis confirmation and staging. Document findings.

Reimbursement and Quality Metrics

Impact Summary
  • Diverticulitis of the Colon (ICD-10-CM K57): Reimbursement and Quality Metrics Impact Summary
  • Keywords: Diverticulitis coding, K57 reimbursement, Complication coding, Hospital quality reporting, Readmission reduction
  • Impact 1: Accurate coding of K57 and related complications (e.g., abscess, perforation) impacts MS-DRG assignment and reimbursement.
  • Impact 2: Diverticulitis readmission rates are a quality metric. Proper documentation and discharge planning are crucial.
  • Impact 3: Coding severity (uncomplicated vs. complicated) influences quality scores and potential penalties.

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Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective strategies for differentiating uncomplicated diverticulitis of the colon from complicated diverticulitis in clinical practice?

A: Differentiating uncomplicated from complicated diverticulitis hinges on identifying signs of perforation, abscess, fistula, or obstruction. Uncomplicated diverticulitis typically presents with localized left lower quadrant pain, fever, and leukocytosis. Physical exam findings may include tenderness and possibly a palpable mass. Imaging, particularly CT with contrast, plays a crucial role. In uncomplicated cases, the CT will show bowel wall thickening, pericolonic fat stranding, and perhaps some fluid. Complicated diverticulitis, however, will reveal additional findings like free air (perforation), a defined fluid collection (abscess), communication with another organ (fistula), or signs of obstruction such as dilated bowel proximal to the affected segment. Explore how integrating clinical findings with CT scan results can improve diagnostic accuracy in diverticulitis cases.

Q: How do I manage acute uncomplicated diverticulitis in a patient who can tolerate oral intake, considering current best practices and outpatient management strategies?

A: For patients with acute uncomplicated diverticulitis who are able to tolerate oral intake, outpatient management is often appropriate. This typically involves a clear liquid diet for a few days, progressing to a low-fiber diet as symptoms improve. Antibiotics targeting gram-negative and anaerobic bacteria, such as metronidazole combined with ciprofloxacin or trimethoprim-sulfamethoxazole, are recommended. Pain control is essential and can be achieved with oral analgesics. Close follow-up is crucial to monitor for worsening symptoms or complications. Consider implementing a structured follow-up plan that includes repeat physical exams and potentially repeat imaging if symptoms don't resolve. Learn more about the latest guidelines for antibiotic duration and the role of bowel rest in uncomplicated diverticulitis.

Quick Tips

Practical Coding Tips
  • Code K57.32 for uncomplicated diverticulitis
  • K57.92 for diverticulitis NOS
  • Document location, acuity for K57
  • Query physician for specificity
  • Consider complications, eg, abscess

Documentation Templates

Patient presents with complaints consistent with possible diverticulitis of the colon.  Symptoms include left lower quadrant abdominal pain, described as cramping and intermittent, with onset approximately three days ago.  The patient also reports bloating, nausea, and a change in bowel habits, alternating between constipation and diarrhea.  Fever of 100.4 degrees Fahrenheit was noted at home earlier today.  Physical examination reveals localized tenderness in the left lower quadrant with mild guarding.  No rebound tenderness or rigidity is appreciated.  Bowel sounds are present but hypoactive.  The patient denies any history of diverticular disease, colon cancer, or inflammatory bowel disease (IBD) such as Crohn's disease or ulcerative colitis.  Differential diagnosis includes irritable bowel syndrome (IBS), gastroenteritis, and pelvic inflammatory disease.  Given the patient's presentation and symptoms, a working diagnosis of acute colonic diverticulitis is suspected.  Ordered a complete blood count (CBC) with differential, comprehensive metabolic panel (CMP), and urinalysis to assess for signs of infection and dehydration.  Computed tomography (CT) scan of the abdomen and pelvis with intravenous contrast is scheduled to confirm the diagnosis and evaluate for complications such as abscess formation or perforation.  The patient will be started on a clear liquid diet, IV fluids for hydration, and broad-spectrum antibiotics for treatment of suspected diverticular infection.  Patient education provided regarding diverticulitis management, including dietary modifications, and potential complications.  Follow-up scheduled in one week to reassess symptoms and discuss further management based on CT scan results.  ICD-10 code K57.32, Diverticulitis of sigmoid colon without perforation or abscess, is tentatively assigned pending confirmation of diagnosis.
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