ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 K57.30

Billable / Specific

Diverticulosis of large intestine without perforation or abscess without bleeding

K57
Block
1
Synonyms
226
LCDs
7
Payer Policies
2
Linked CPTs

About ICD-10-CM K57.30

ICD-10-CM code K57.30 represents Diverticulosis of large intestine without perforation or abscess without bleeding. This is a billable/specific code in the Digestive System chapter (block K57). The 2026 edition of ICD-10-CM K57.30 became effective on October 1, 2025.

Inclusion Terms / Approximate Synonyms

Clinical terms and conditions classified under K57.30. Per CMS ICD-10-CM Tabular 2026.

  • Diverticular disease of colon NOS

Medicare LCD Coverage for K57.30

Local Coverage Determinations (LCDs) from CMS MACs that list K57.30 as a covered diagnosis.

226 LCDs

Showing top 10 of 226 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74170 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74177 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74160 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74178 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74150 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72194 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 74176 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72192 →
CMS LCD: Billing and Coding: CT of the Abdomen and Pelvis
Article ID: 56421, Effective: 2025-11-01 00:00:00, 5389 covered, 0 non-covered
CPT 72193 →
CMS LCD: Billing and Coding: Diagnostic Colonoscopy
Article ID: 55937, Effective: 2026-02-04 00:00:00, 244 covered, 1 non-covered
CPT 45398 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing K57.30.

7 policies

5 Medicare

Billing and Coding: Diagnostic Colonoscopy
Policy ID: ART-55937
Billing and Coding: Colonoscopy and Sigmoidoscopy-Diagnostic
Policy ID: ART-56394
Billing and Coding: CT of the Abdomen and Pelvis
Policy ID: ART-56421
Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
Policy ID: ART-56456
Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy
Policy ID: ART-56632

CPT Codes Commonly Billed with K57.30

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

2 linkages
  • 45378 Diagnostic colonoscopy — colorectal screening, family hx colon cancer, polyp, melena, iron def anemia, diverticulosis, ulcerative colitis, Crohn, occult blood, rectal polyp, weight loss, IBS Gastroenterology
  • 45381 Colonoscopy with directed submucosal injection — polyp removal facilitation, same dx as polypectomy Gastroenterology

Convert K57.30 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
K57.30 56210 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

ICD-10 K57.30, Billing FAQ

Is ICD-10 code K57.30 billable? +

Yes, K57.30 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What other names or terms map to K57.30? +

ICD-10 K57.30 includes: Diverticular disease of colon NOS.

What CPT codes are commonly billed with K57.30? +

Procedures frequently paired with K57.30 include: 45378, 45381.

What ICD-9 codes does K57.30 map to? +

Per CMS GEMs, K57.30 maps to ICD-9 codes: 56210. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

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