I27.2
Other secondary pulmonary hypertension
I27.2 is a non-billable ICD-10-CM code header for other secondary pulmonary hypertension. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are I27.20 Pulmonary hypertension, unspecified; I27.21 Secondary pulmonary arterial hypertension; I27.22 Pulmonary hypertension due to left heart disease; I27.23 Pulmonary hypertension due to lung diseases and hypoxia and 2 more. Its coding notes include a Code also instruction, 1 Excludes1 entry and 10 Excludes2 entries.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
- associated underlying condition
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- Eisenmenger's syndrome (I27.83)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (10 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- 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.-)
More specific codes under I27.2 6
- I27.20Pulmonary hypertension, unspecifiedBillable
- I27.21Secondary pulmonary arterial hypertensionBillable
- I27.22Pulmonary hypertension due to left heart diseaseBillable
- I27.23Pulmonary hypertension due to lung diseases and hypoxiaBillable
- I27.24Chronic thromboembolic pulmonary hypertensionBillable
- I27.29Other secondary pulmonary hypertensionBillable