I27.21Billable
Secondary pulmonary arterial hypertension
Chapter 9: Diseases of the circulatory system
Inclusion Terms
2 items
Inclusion Terms
- •(Associated) (drug-induced) (toxin-induced) pulmonary arterial hypertension NOS
- •(Associated) (drug-induced) (toxin-induced) (secondary) group 1 pulmonary hypertension
Billable Code
I27.21 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Referenced in Diagnoses
Conditions that use this ICD-10 code in their documentation
View documentation for mild pulmonary hypertension
mild pulmonary hypertension
View TemplatesMild Pulmonary Hypertension
View documentation for pulmonary arterial hypertension
pulmonary arterial hypertension
View TemplatesPulmonary Arterial Hypertension
View documentation for pulmonary artery hypertension
pulmonary artery hypertension
View TemplatesPulmonary Arterial Hypertension
View documentation for pulmonary hypertension
pulmonary hypertension
View TemplatesPulmonary Hypertension
View documentation for secondary pulmonary hypertension
secondary pulmonary hypertension
View TemplatesSecondary Pulmonary Hypertension
View documentation for severe pulmonary hypertension
severe pulmonary hypertension
View TemplatesPulmonary Hypertension, Severe
Additional Information from Parent Codes
The following information may apply to this code from its parent codes in the ICD-10 hierarchy. This information is important for proper coding and classification.
Parent Codes Referenced:
Excludes1
1 item
Excludes1
From I27.2:
- •Eisenmenger's syndrome (I27.83)
Excludes2
10 items
Excludes2
From I00-I99:
- •certain conditions originating in the perinatal period (P04-P96)
- •certain infectious and parasitic diseases (A00-B99)
- •
- •congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- •endocrine, nutritional and metabolic diseases (E00-E88)
- •injury, poisoning and certain other consequences of external causes (S00-T88)
- •neoplasms (C00-D49)
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- •systemic connective tissue disorders (M30-M36)
- •transient cerebral ischemic attacks and related syndromes (G45.-)