ICD-10 Z48.280
Billable / Specific CCEncounter for aftercare following heart-lung transplant
About ICD-10-CM Z48.280
ICD-10-CM code Z48.280 represents Encounter for aftercare following heart-lung transplant. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z48). The 2026 edition of ICD-10-CM Z48.280 became effective on October 1, 2025.
Coding Tips for Z48.280
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
Z48.280 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, CC
codes Encounter for aftercare following heart-lung transplant. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for Z48.280
Local Coverage Determinations (LCDs) from CMS MACs that list Z48.280 as a covered diagnosis.
Showing top 10 of 553 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z48.280.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with Z48.280
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 93798 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD
- 93797 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD
- G0423 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD
- G0422 CMS LCD: Billing and Coding: Frequency and Duration for Cardiac Rehabilitation and Intensive Cardiac Rehabilitation CMS LCD
Convert Z48.280 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| Z48.280 | V421 | 10112 |
| Z48.280 | V426 | 10113 |
| Z48.280 | V5844 | 10111 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Z48.280
Other codes in section Z40-Z53 (Encounters for other specific health care).
ICD-10 Z48.280, Billing FAQ
Is ICD-10 code Z48.280 billable? +
Yes, Z48.280 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is Z48.280 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What CPT codes are commonly billed with Z48.280? +
Procedures frequently paired with Z48.280 include: 93798, 93797, G0423, G0422.
What ICD-9 codes does Z48.280 map to? +
Per CMS GEMs, Z48.280 maps to ICD-9 codes: V421, V426, V5844. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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