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HomeICD-10 CodesI16
ICD-10-CM
Non-billable

I16

Classification
Category:Diseases of the circulatory system
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Coding Guidance
I16 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail.
Excludes 2
From I00-I99
P04-P96certain conditions originating in the perinatal period
A00-B99certain infectious and parasitic diseases
O00-O9Acomplications of pregnancy, childbirth and the puerperium
Q00-Q99congenital malformations, deformations, and chromosomal abnormalities
E00-E88endocrine, nutritional and metabolic diseases
S00-T88injury, poisoning and certain other consequences of external causes
C00-D49neoplasms
R00-R94symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
M30-M36systemic connective tissue disorders
G45transient cerebral ischemic attacks and related syndromes

More Specific Codes

I16.0
Hypertensive urgency
I16.1
Hypertensive emergency
I16.9
Hypertensive crisis, unspecified

External Resources

2025 ICD-10 guidelines from CMS.gov