ICD-10-CM I27.2: Other secondary pulmonary hypertension

ICD-10-CM Diagnosis Code (2025)

Official Description for I27.2

Other secondary pulmonary hypertension

Coding Notes & Guidelines for I27.2

Excludes1: Not Coded Here

Eisenmenger's syndrome (I27.83)

Inclusion Terms

Pulmonary hypertension NOS

Inclusion Terms
  • (Associated) (drug-induced) (toxin-induced) pulmonary arterial hypertension NOS
  • (Associated) (drug-induced) (toxin-induced) (secondary) group 1 pulmonary hypertension
Inclusion Terms

Group 2 pulmonary hypertension

Inclusion Terms

Group 3 pulmonary hypertension

Inclusion Terms

Group 4 pulmonary hypertension

Inclusion Terms
  • Group 5 pulmonary hypertension
  • Pulmonary hypertension with unclear multifactorial mechanisms
  • Pulmonary hypertension due to hematologic disorders
  • Pulmonary hypertension due to metabolic disorders
  • Pulmonary hypertension due to other systemic disorders
Code Also

associated underlying condition

Code Also
  • associated conditions if applicable, or adverse effects of drugs or toxins, such as:
  • adverse effect of appetite depressants (T50.5X5)
  • congenital heart disease (Q20-Q28)
  • human immunodeficiency virus [HIV] disease (B20)
  • polymyositis (M33.2-)
  • portal hypertension (K76.6)
  • rheumatoid arthritis (M05.-)
  • schistosomiasis (B65.-)
  • Sjögren syndrome (M35.0-)
  • systemic sclerosis (M34.-)
Code Also
  • associated left heart disease, if known, such as:
  • multiple valve disease (I08.-)
  • rheumatic mitral valve diseases (I05.-)
  • rheumatic aortic valve diseases (I06.-)
Code Also
  • associated lung disease, if known, such as:
  • bronchiectasis (J47.-)
  • cystic fibrosis with pulmonary manifestations (E84.0)
  • interstitial lung disease (J84.-)
  • pleural effusion (J90)
  • sleep apnea (G47.3-)
Code Also

associated pulmonary embolism, if applicable (I26.-, I27.82)

Code Also
  • other associated disorders, if known, such as:
  • chronic myeloid leukemia (C92.10-C92.22)
  • essential thrombocythemia (D47.3)
  • Gaucher disease (E75.22)
  • hypertensive chronic kidney disease with end stage renal disease (I12.0, I13.11, I13.2)
  • hyperthyroidism (E05.-)
  • hypothyroidism (E00-E03)
  • polycythemia vera (D45)
  • sarcoidosis (D86.-)

Parent Code (Less Specific):

I27 - Other pulmonary heart diseases

About ICD-10-CM Code I27.2 (Other secondary pulmonary hypertension)

ICD-10-CM code I27.2 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM I27.2 became effective on October 1, 2024.

This page provides detailed information about I27.2 - Other secondary pulmonary hypertension. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other secondary pulmonary hypertension.