V28 HCC 276
Lung Transplant Status/Complications
Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 276 has a source-labeled community non-dual aged reference coefficient of 2.531, and 17 ICD-10-CM diagnosis codes appear in its official mapping.
RAF factors
The community factor varies by Medicaid and originally-disabled status; the institutional factor applies to long-term-institutional members. These are the CMS-HCC V28 PY2026 relative factors.
These are source-labeled code-level HCC coefficient references, not a full member score. Use the RAF Calculator with complete member context for CMS-HCC V28 PY2026. No score is shown unless every required source and calculation check passes.
V28 hierarchy
Supersedes: HCC 277, HCC 278, HCC 279, HCC 280 (this category is counted instead of these when they co-occur).
ICD-10-CM codes that map to HCC 276 (17)
ICD-10-CM codes in the official mapping for this category under CMS-HCC V28 PY2026. Open any code for its full description and coding guidance.
- J4A.0Restrictive allograft syndrome
- J4A.8Other chronic lung allograft dysfunction
- J4A.9Chronic lung allograft dysfunction, unspecified
- T86.30Unspecified complication of heart-lung transplant
- T86.31Heart-lung transplant rejection
- T86.32Heart-lung transplant failure
- T86.33Heart-lung transplant infection
- T86.39Other complications of heart-lung transplant
- T86.810Lung transplant rejection
- T86.811Lung transplant failure
- T86.812Lung transplant infection
- T86.818Other complications of lung transplant
- T86.819Unspecified complication of lung transplant
- Z48.24Encounter for aftercare following lung transplant
- Z48.280Encounter for aftercare following heart-lung transplant
- Z94.2Lung transplant status
- Z94.3Heart and lungs transplant status
Coder workflow notes
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Frequently asked questions
What is CMS-HCC V28 category 276?
HCC 276 is "Lung Transplant Status/Complications", a Hierarchical Condition Category in the CMS-HCC V28 risk adjustment model (100% phase-in for payment year 2026). 17 ICD-10-CM codes appear in its official mapping.
What reference coefficient is published for HCC 276?
The source-labeled community non-dual aged reference coefficient for CMS-HCC V28 category 276 is 2.531. The exact coefficient varies by enrollment segment (community Medicaid and originally-disabled status, and institutional); the full segment table is published in the CMS V28 model files.
How many ICD-10-CM codes map to HCC 276?
17 ICD-10-CM diagnosis codes appear in the official mapping for CMS-HCC V28 category 276 (Lung Transplant Status/Complications) for payment year 2026.
Related condition guides
In-depth HCC coding guides for conditions that map to category 276, with documentation tips, common mistakes, and the V24-to-V28 changes.
Related references
Sources
CMS ICD-10-CM order-file billability plus the published mapping and CMS-HCC V28 PY2026 model software. CMS-HCC V28 model published at CMS.gov Risk Adjustors; ICD-10-CM member codes from the CMS ICD-10-CM code set.
Verified current to CMS-HCC V28, payment year 2026 — last reviewed May 30, 2026.