Cumulative Official WHO Updates to ICD 10 - 1996 - 2001

If the antecedent condition is not known or cannot be inferred, code to I15.8. I15.9 Secondary hypertension, unspecified. Not to be used if the antecedent condition is known or can be inferred by an application of Rule 3. If the antecedent condition is not known or cannot be inferred, code to I15.9. MRG (URC:0210) October 2004 Major January ... ................
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