ICD-10-CM category
K29: Gastritis and duodenitis
Codes under K29 (Gastritis and duodenitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K29.0 | Acute gastritis | — |
| K29.00 | Acute gastritis without bleeding | ✓ |
| K29.01 | Acute gastritis with bleeding | ✓ |
| K29.2 | Alcoholic gastritis | — |
| K29.3 | Chronic superficial gastritis | — |
| K29.4 | Chronic atrophic gastritis | — |
| K29.5 | Unspecified chronic gastritis | — |
| K29.6 | Other gastritis | — |
| K29.7 | Gastritis, unspecified | — |
| K29.8 | Duodenitis | — |
| K29.9 | Gastroduodenitis, unspecified | — |
| K29.20 | Alcoholic gastritis without bleeding | ✓ |
| K29.21 | Alcoholic gastritis with bleeding | ✓ |
| K29.30 | Chronic superficial gastritis without bleeding | ✓ |
| K29.31 | Chronic superficial gastritis with bleeding | ✓ |
| K29.40 | Chronic atrophic gastritis without bleeding | ✓ |
| K29.41 | Chronic atrophic gastritis with bleeding | ✓ |
| K29.50 | Unspecified chronic gastritis without bleeding | ✓ |
| K29.51 | Unspecified chronic gastritis with bleeding | ✓ |
| K29.60 | Other gastritis without bleeding | ✓ |
| K29.61 | Other gastritis with bleeding | ✓ |
| K29.70 | Gastritis, unspecified, without bleeding | ✓ |
| K29.71 | Gastritis, unspecified, with bleeding | ✓ |
| K29.80 | Duodenitis without bleeding | ✓ |
| K29.81 | Duodenitis with bleeding | ✓ |
| K29.90 | Gastroduodenitis, unspecified, without bleeding | ✓ |
| K29.91 | Gastroduodenitis, unspecified, with bleeding | ✓ |
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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