I27.29: Other secondary pulmonary hypertension
I27.29 is a billable, specific ICD-10-CM code for other secondary pulmonary hypertension. It is valid for submission on a claim.
Check I27.29 with the rest of the claim: free scrubberCode also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- 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.-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- 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
Other codes that can never be billed with I27.29
Their own Excludes1 notes name this code, so the conflict is not listed above.
- I27.0Primary pulmonary hypertension
Risk adjustment
I27.29 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 226 Heart Failure, Except End Stage and Acute0.360 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
I27.29 is named in 26 Medicare coverage policies: 26 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52466Nebulizers - Policy Article
- A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
- A53026Billing and Coding: Bariatric Surgery Coverage
- A54923Billing and Coding: Bariatric Surgery for Treatment of Co-Morbidities Conditions Related to Morbid Obesity
Alphabetic index entries that lead here
- Hypertension, hypertensive›pulmonary›group 5
- Hypertension, hypertensive›pulmonary›due to›hematologic disorders
- Hypertension, hypertensive›pulmonary›due to›metabolic disorders
- Hypertension, hypertensive›pulmonary›due to›specified systemic disorders NEC
- Hypertension, hypertensive›pulmonary›secondary›specified NEC
- Hypertension, hypertensive›pulmonary›with›cor pulmonale(chronic)
- Hypertension, hypertensive›pulmonary›with›right heart ventricular strain/failure
- Hypertension, hypertensive›pulmonary›with›unclear multifactorial mechanisms
Code history
Unchanged in every release from FY2024 to FY2027.