I27.9
BillablePulmonary heart disease, unspecified
HCC Category Mapping
V28HCC 226 — Heart Failure, Specified
0.000V24HCC 85 — Congestive Heart Failure
0.368ESRDHCC 85 — Congestive Heart Failure
0.000RxHCCHCC 184 — Pulmonary Hypertension, Other
0.000What This Code Means
A disease affecting the heart due to lung or pulmonary vessel problems, but the specific type is not documented or identified.
Coding Tips
- •This is a non-specific code; attempt to obtain more specific diagnosis information from the provider before using this code
- •Review clinical documentation for clues about the underlying pulmonary condition
Clinical Significance
Unspecified pulmonary heart disease indicates cardiac involvement from pulmonary pathology without sufficient documentation to determine the specific type. While this code captures the disease concept, the lack of specificity may not fully reflect the patient's clinical complexity. A provider query should be considered to improve code precision.
Documentation Requirements
- ✓Provider diagnosis of pulmonary heart disease
- ✓Clinical evidence of cardiac involvement related to pulmonary pathology
- ✓Documentation that more specific information is not available
- ✓Symptoms and current clinical status
- ✓Relevant diagnostic studies (echocardiogram, chest imaging)
Commonly Confused Codes
I27.81 — Cor pulmonale (chronic); a more specific type of pulmonary heart diseaseI27.89 — Other specified pulmonary heart diseases; use when the type is specified but not separately classifiedI27.0 — Primary pulmonary hypertension; a specific cause of pulmonary heart diseaseI50.9 — Heart failure, unspecified; does not specify pulmonary origin
Code Hierarchy
└I27Other pulmonary heart diseases└I27.9Pulmonary heart disease, unspecified
└I27.9Pulmonary heart disease, unspecified