What is the ICD-10 code for perforated diverticulitis?

The ICD-10 code for perforated diverticulitis of the large intestine without bleeding is K57.20. If bleeding is present, use K57.21.

How do you code diverticulitis with an abscess?

Use K57.20 for diverticulitis with perforation and abscess without bleeding. Add K65.1 if the abscess extends beyond the bowel wall.

ICD-10 Coding for Perforated Diverticulitis(K57.20, K57.21, K57.2)

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Learn about ICD-10 coding for perforated diverticulitis, including code K57.20 for cases without bleeding and K57.21 for cases with bleeding. Ensure accurate documentation for optimal reimbursement.

Also known as:

Diverticulitis with PerforationPerforated Diverticular Disease

Related ICD-10 Code Ranges

Complete code families applicable to Perforated Diverticulitis

K00-K95Primary Range

Diseases of the digestive system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
K57.20	Diverticulitis of large intestine with perforation and abscess without bleeding	Use when imaging confirms perforation and abscess in the large intestine without bleeding.	CT showing colonic wall thickening extraluminal air and abscess CRP >170 mg/L
K57.21	Diverticulitis of large intestine with perforation and abscess with bleeding	Use when there is documented bleeding alongside perforation and abscess.	CT showing perforation abscess and evidence of bleeding Drop in hemoglobin ≥2 g/dL

Primary ICD-10-CM Codes

Diverticulitis of large intestine with perforation and abscess without bleeding

K57.20Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Diverticulitis of large intestine without perforation or abscessK57.32

Use when there is no evidence of perforation or abscess.

Diverticulitis of large intestine with perforation and abscess without bleedingK57.20

Use when bleeding is not documented.

Documentation & Coding Risks

Avoid these common issues when documenting Perforated Diverticulitis.

Vague documentation of diverticulitis

Impact

Clinical: Inaccurate treatment planning., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement.

Mitigation

Educate clinicians on documentation standards, Use templates for consistency

Using K57.80 when the intestine part is specified

Impact

Reimbursement: Potential underpayment due to incorrect DRG assignment., Compliance: Non-compliance with coding guidelines., Data Quality: Decreased accuracy in clinical data.

Mitigation

Ensure the specific location is documented and coded correctly.

Documentation specificity

Impact

Lack of detail in documentation can lead to audit discrepancies.

Mitigation

Implement detailed documentation templates.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with K57.20.

Primary Code

K57.20

Diverticulitis of large intestine with perforation and abscess without bleeding

Quick Navigation

ICD-10 codes7

Coding risks3

FAQs2

ICD-10 Coding for Perforated Diverticulitis(K57.20, K57.21, K57.2)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for perforated diverticulitis?

How do you code diverticulitis with an abscess?

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