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I15.9 - Secondary hypertension, unspecified


The ICD 10 Code for Secondary hypertension, unspecified is listed as I15.9.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: I15.9
Description: Secondary hypertension, unspecified
  • Ischemic heart diseases (I20-I25)
  • Use additional code to identify presence of hypertension (I10-I15)
Diagnostic Related Groups
(MS-DRG v30.0)
304 - Hypertension W Mcc
305 - Hypertension W/o Mcc
Chapter Diseases of the circulatory system (I00-I99)
Block Hypertensive diseases (I10-I15)
Parent I15 - Secondary hypertension
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 405.99 - Other unspecified secondary hypertension (approximate)
ICD-10-CM Siblings (same level / similar specificity) of I15.9:
I15.0 - Renovascular hypertension
I15.1 - Hypertension secondary to other renal disorders
I15.2 - Hypertension secondary to endocrine disorders
I15.8 - Other secondary hypertension