Internal Medicine Billing Is Complex. Getting Paid Should Not Be.
Internal Medicine Billing Services
Internal medicine covers multiple chronic conditions, long patient relationships, and Medicare-heavy caseloads. That complexity makes billing harder than most specialties. One wrong E&M level. One missing diagnosis code. One prior authorization gap. That is all it takes for a claim to get denied.
GenMediTech handles internal medicine medical billing from charge entry to final payment, so your practice gets paid accurately and on time.
- 98% First Pass Clean Claim Rate
- 24–48 Hours Claim Turnaround
- 30% Reduction in A/R
- 100% HIPAA-Compliant
Why Internal Medicine Billing Is Harder Than Most Specialties
Internal medicine providers manage patients with multiple chronic conditions simultaneously. Every visit involves detailed documentation, multiple ICD-10-CM diagnosis codes, and careful E&M level selection.
Most billing teams are not equipped to handle this complexity. That is where revenue gets lost. These are the billing problems internal medicine practices deal with every day.
Incorrect E&M level selection, undercoding loses revenue, upcoding triggers audits. CCM and TCM billing missed entirely because documentation requirements are not met. AWV claims denied due to missing preventive care codes. Chronic conditions not fully captured under ICD-10-CM. Medicare-specific billing rules not followed correctly.
Ensuring that your needs are met with precision and attention to detail.
What We Handle for Internal Medicine Practices
Evaluation and Management Coding
E&M coding is the most audited area in internal medicine billing. We select the correct level, 99202 through 99215, based on medical decision making and time documentation. No undercoding. No upcoding risk.
Chronic Care Management Billing
CCM is one of the most underbilled services in internal medicine. We bill CCM correctly under CPT 99490 and related codes, capturing revenue most practices leave on the table every single month.
Annual Wellness Visit Billing
AWV requires specific preventive care coding under Medicare. We handle Initial AWV under HCPCS G0438 and Subsequent AWV under G0439 accurately, separating them correctly from sick visits using modifier 25 to avoid bundling denials.
Transitional Care Management
TCM services after hospital discharge are frequently missed or billed incorrectly. We capture TCM under CPT 99495 and 99496 based on complexity of medical decision making and follow-up timing.
Chronic Disease ICD-10-CM Coding
Diabetes, hypertension, COPD, heart failure, CKD, internal medicine practices manage all of them. We code every chronic condition accurately so your claims reflect the full complexity of care provided.
Prior Authorization Management
Referrals and specialist consultations often require prior authorization. We manage the full authorization process so services are billed without delays.
Internal Medicine Billing Problems We Fix Every Day
Wrong E&M level selected?
We review documentation and select the correct level based on MDM and time. Every time.
CCM revenue being missed?
Most practices either skip CCM billing or bill it incorrectly. We capture every eligible encounter with proper documentation support.
AWV and sick visit bundled incorrectly?
Medicare will not pay for both without modifier 25. We handle this correctly so both claims get paid.
Chronic conditions not fully coded?
Every condition affecting medical decision making must be coded. We make sure nothing is left out.
Denials sitting unworked?
We review every denial for root cause, correct it, and resubmit. Nothing sits untouched.
TCM not being billed after discharge?
Most practices miss TCM entirely. We track every hospital discharge and capture TCM billing before the filing window closes.
Internal Medicine CPT and ICD-10-CM Codes We Work With
Accurate code selection is the foundation of clean claims. Here are the key codes we handle for internal medicine practices — and when each one applies.
Evaluation and Management
CPT 99202–99205 — New patient office visits based on MDM complexity and time CPT 99211–99215 — Established patient office visits based on MDM complexity and time CPT 99417 — Prolonged office visit time beyond the maximum E&M time threshold
Chronic Care Management
CPT 99490 — CCM for patients with two or more chronic conditions, at least 20 minutes monthly CPT 99491 — CCM personally performed by the physician, at least 30 minutes monthly CPT 99487 — Complex CCM, at least 60 minutes monthly CPT 99489 — Additional 30 minutes of complex CCM beyond the first hour
Annual Wellness Visit
HCPCS G0438 — Initial Annual Wellness Visit for Medicare patients HCPCS G0439 — Subsequent Annual Wellness Visit for Medicare patients
Transitional Care Management
CPT 99495 — TCM with moderate complexity MDM, contact within 2 business days of discharge CPT 99496 — TCM with high complexity MDM, contact within 2 business days of discharge
Advance Care Planning
CPT 99497 — First 30 minutes of advance care planning with patient and family CPT 99498 — Each additional 30 minutes beyond the first
Common ICD-10-CM Codes
E11 series — Type 2 diabetes mellitus and related complications I10 — Essential hypertension J44 series — Chronic obstructive pulmonary disease I50 series — Heart failure N18 series — Chronic kidney disease stages 1 through 5 E78 series — Disorders of lipoprotein metabolism including hyperlipidemia
Frequently Asked Questions
Internal medicine involves complex E&M coding, multiple chronic conditions per patient, and Medicare-specific services like CCM, AWV, and TCM. Each has its own documentation and billing requirements that a generalist billing team often misses.
Yes. We bill Chronic Care Management correctly under CPT 99490 and related codes. Most practices either miss this revenue or bill it incorrectly. We make sure every eligible patient encounter is captured and billed.
Our billing specialists review your documentation and select the correct E&M level based on medical decision making and time. We do not undercode or overcode.
Yes. ACP services under CPT 99497 and 99498 are frequently missed. We capture and bill them correctly when documentation supports the service.
We find the exact denial reason, correct it at the source, and resubmit with proper documentation. Denial patterns are tracked so the same problem does not repeat.
Yes. Every workflow at GenMediTech follows strict HIPAA protocols, encrypted data handling and controlled access at every step.
Stop Leaving Internal Medicine Revenue Uncollected
CCM encounters unbilled. AWV claims denied. E&M levels undercoded. TCM missed after every discharge. Every one of these is revenue your practice has already earned. Our internal medicine billing specialists are ready to capture it, starting now.