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

ICD-10 K29.40

Billable / Specific

Chronic atrophic gastritis without bleeding

K29
Block
0
Synonyms
166
LCDs
6
Payer Policies
2
Linked CPTs

About ICD-10-CM K29.40

ICD-10-CM code K29.40 represents Chronic atrophic gastritis without bleeding. This is a billable/specific code in the Digestive System chapter (block K29). The 2026 edition of ICD-10-CM K29.40 became effective on October 1, 2025.

Medicare LCD Coverage for K29.40

Local Coverage Determinations (LCDs) from CMS MACs that list K29.40 as a covered diagnosis.

166 LCDs

Showing top 10 of 166 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 and Therapeutic Esophagogastroduodenoscopy
Article ID: 57063, Effective: 2025-10-01 00:00:00, 820 covered, 1 non-covered
CPT 43246 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing K29.40.

6 policies

5 Medicare

Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization
Policy ID: ART-56389
Billing and Coding: CT of the Abdomen and Pelvis
Policy ID: ART-56421
Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
Policy ID: ART-57063
Billing and Coding: Upper Gastrointestinal Endoscopy (Diagnostic and Therapeutic)
Policy ID: ART-57414
Billing and Coding: Vitamin B<sub>12</sub> Injections
Policy ID: ART-57755

1 Aetna

Helicobacter Pylori Infection Testing
Policy ID: CPB-0177

CPT Codes Commonly Billed with K29.40

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

2 linkages
  • J3420 CMS LCD: Billing and Coding: Vitamin B<sub>12</sub> Injections CMS LCD
  • J3425 CMS LCD: Billing and Coding: Vitamin B<sub>12</sub> Injections CMS LCD

Convert K29.40 to ICD-9-CM

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

ICD-10ICD-9Mapping Flags
K29.40 53510 10000

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

Codes Adjacent To K29.40

Other codes in section K20-K31 (Diseases of esophagus, stomach and duodenum).

K20 Esophagitis (non-billable) K20.0 Eosinophilic esophagitis K20.8 Other esophagitis (non-billable) K20.80 Other esophagitis without bleeding K20.81 Other esophagitis with bleeding K20.9 Esophagitis, unspecified (non-billable) K20.90 Esophagitis, unspecified without bleeding K20.91 Esophagitis, unspecified with bleeding K21 Gastro-esophageal reflux disease (non-billable) K21.0 Gastro-esophageal reflux disease with esophagitis (non-billable) K21.00 Gastro-esophageal reflux disease with esophagitis, without bleeding K21.01 Gastro-esophageal reflux disease with esophagitis, with bleeding K21.9 Gastro-esophageal reflux disease without esophagitis K22 Other diseases of esophagus (non-billable) K22.0 Achalasia of cardia K22.1 Ulcer of esophagus (non-billable) K22.10 Ulcer of esophagus without bleeding K22.11 Ulcer of esophagus with bleeding K22.2 Esophageal obstruction K22.3 Perforation of esophagus

ICD-10 K29.40, Billing FAQ

Is ICD-10 code K29.40 billable? +

Yes, K29.40 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with K29.40? +

Procedures frequently paired with K29.40 include: J3420, J3425.

What ICD-9 codes does K29.40 map to? +

Per CMS GEMs, K29.40 maps to ICD-9 codes: 53510. 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 July 16, 2026.

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