ICD-10-CM Book 2026 Edition
 I1A |
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Other hypertension |
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 I1A.0 |
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Resistant hypertension |
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| Apparent treatment resistant hypertension | | Treatment resistant hypertension | | True resistant hypertension |
| CodeFirst |
specific type of existing hypertension, if known, such as:
essential hypertension (I10)
secondary hypertension (I15.-)
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