# CathDoc — Master cardiology coding

> Master cardiology coding (iPhone/iPad app by Lumen Innovations, LLC.)

- Source: https://appshunter.io/ios/app/cathdoc/id6757081293 (this page in markdown: same URL + `.md`)
- Developer: [Lumen Innovations, LLC](https://appshunter.io/developer/1489598636)
- Category: Medical
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 12 MB
- Languages: American English
- Released: 2026-01-05
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/cathdoc/id6757081293/reviews.md

## What is CathDoc?

CathDoc is the essential coding companion for interventional cardiologists. Designed by cardiologists, for cardiologists, this app streamlines procedure documentation and ensures accurate billing compliance with 2026 Medicare guidelines.

KEY FEATURES:

- 2026 Code Coverage
Complete coverage of interventional cardiology codes including diagnostic catheterization, PCI, structural heart, TAVR, peripheral vascular, and mechanical circulatory support procedures.

- Multi-Vessel PCI Support
Easily document first, second, and third vessel interventions with proper coronary modifier assignment (LD, LC, RC, LM, RI) for Medicare billing compliance.

- NEW 2026 Drug-Coated Balloon Codes
Includes new codes with bundling guidance for IVUS/OCT imaging.

- Redesigned Peripheral Vascular Codes
Complete 2026 peripheral code overhaul with territory-based organization (Iliac, Femoral/Popliteal, Tibial/Peroneal, Inframalleolar) and lesion complexity differentiation.

- RVU Calculator
Real-time physician work RVU calculations with 2026 Medicare conversion factor ($36.04) for reimbursement estimates.

- Coding Validation & Feedback
Automatic detection of coding errors, missing vessel modifiers, and NCCI bundling conflicts. Modifier -59 guidance for same-day diagnostic cath with PCI.

- What's New 2026 Reference
Built-in educational guide explaining all major 2026 code changes for coronary, peripheral, and structural heart procedures, including official definitions.

- HIPAA Compliant
No patient names or PHI stored. Uses case IDs only for procedure documentation.

- ICD-10 Indications
Quick selection of common cardiac, peripheral, and structural heart procedure indications.

- Moderate Sedation Tracking
Built-in sedation time calculator with proper 99152/99153 code assignment.

SUPPORTED PROCEDURE CATEGORIES:
- Diagnostic Cardiac Catheterization
- Percutaneous Coronary Intervention (PCI)
- Drug-Coated Balloon (NEW 2026)
- Intravascular Imaging (IVUS/OCT)
- Coronary Physiology (FFR/iFR/CFR)
- Structural Heart (ASD, VSD, PFO, LAA closure)
- TAVR (all access approaches)
- Peripheral Vascular Interventions
- Mechanical Circulatory Support (Impella, IABP, ECMO)

Developed by Lumen Innovations for the interventional cardiology community.


## Version history (last 5 releases)

### 2.5 — 2026-03-18

bug fixes

### 2.4 — 2026-03-18

additional codes added

### 2.2 — 2026-02-11

added PV angio and IVC filter codes

### 2.1 — 2026-02-05

Updated additional PHI scrubbing and code validation to avoid improper code submission. Added templates and favorites !

### 2.0 — 2026-01-05

No release notes.

## More apps by Lumen Innovations, LLC

- [Younis Cardiology](https://appshunter.io/ios/app/younis-cardiology/id1489598637)
- [Lumenus Medical](https://appshunter.io/ios/app/lumenus-medical/id6757778507)
- [Shredded by Shelley Fitness](https://appshunter.io/ios/app/shredded-by-shelley-fitness/id6760171201)

All apps by Lumen Innovations, LLC: https://appshunter.io/developer/1489598636

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*