I27 — Other pulmonary heart diseases
Not billable
Is I27 billable?
No — I27 is a non-billable header code. I27 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 17 billable codes beneath I27.
Billable codes under this header
- I27.0Primary pulmonary hypertension
- I27.1Kyphoscoliotic heart disease
- I27.9Pulmonary heart disease, unspecified
- I27.20Pulmonary hypertension, unspecified
- I27.21Secondary pulmonary arterial hypertension
- I27.22Pulmonary hypertension due to left heart disease
- I27.23Pulmonary hypertension due to lung diseases and hypoxia
- I27.24Chronic thromboembolic pulmonary hypertension
- I27.29Other secondary pulmonary hypertension
- I27.81Cor pulmonale (chronic)
- I27.82Chronic pulmonary embolism
- I27.83Eisenmenger's syndrome
- I27.89Other specified pulmonary heart diseases
- I27.840Fontan-associated liver disease [FALD]
- I27.841Fontan-associated lymphatic dysfunction
- I27.848Other Fontan-associated condition
- I27.849Fontan related circulation, unspecified
I27 at a glance
| Code | I27 |
|---|---|
| Description | Other pulmonary heart diseases |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here — inherited from Chapter 9
The conditions below are not part of I27, but a patient may have both at the same time. When documentation supports it, I27 and the excluded code may both be reported.
- 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.-)
What codes fall under I27? (5)
How long has I27 existed?
I27 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.