I27.2

Other secondary pulmonary hypertension

FY2027Chapter 9: Diseases of the circulatory system/I26–I28 Pulmonary heart disease and diseases of pulmonary circulation

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

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.

This code
  • associated underlying condition

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • 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)
Inherited from Chapter 9 Diseases of the circulatory system
  • 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