Medical Coding Services

Medical coding services: charts coded by a certified coder assigned to your specialty

Charts are coded by a certified coder assigned to your specialty — not a pooled queue that codes cardiology in the morning and dermatology after lunch. Codes are checked against payer-specific edits before a claim goes out, not after it comes back denied.

96%+

First-pass claim acceptance

31+

Specialties covered

40+

States covered

300+

Healthcare organizations served

The Basics

What are medical coding services?

Medical coding services translate a clinician’s documentation into the standardized codes — ICD-10-CM, CPT and HCPCS — that a payer uses to process and pay a claim. The work is sometimes called clinical coding or healthcare coding services; all three describe the same task.

A coder reads the chart, assigns the diagnosis and procedure codes it supports, sequences them in the order a payer expects, applies any modifier the service requires, and hands a coded claim to billing. None of this is billing itself — it’s the step that determines whether billing has an accurate claim to submit in the first place.

The distinction most buyers miss: coding that happens before a claim goes out is a different job from coding that gets reviewed after the fact.

Medical coding and a medical coding audit are not the same thing

Production coding

What it answers: What code does this documentation support?

When it happens: Before the claim is submitted

What’s delivered: A coded claim, ready for billing

How it’s scoped: Ongoing, chart by chart, for the life of the account

Where it lives: This page

Coding audit & compliance review

What it answers: Was the code that was assigned correct?

When it happens: After codes are already assigned — by us or by anyone else

What’s delivered: A findings report: error rate, root cause, recommendations

How it’s scoped: A project, or a recurring compliance check

Where it lives: Medical Coding Audit Services (/medical-coding-audit-services/)

Where coding errors actually start

Four failure modes, each created upstream of where it’s discovered.

A code that doesn't match the documentation.

A provider documents a level 4 visit; a coder unfamiliar with that specialty’s documentation conventions codes a level 3 — or the reverse, which draws a different kind of payer scrutiny.

A modifier applied, or missed, without the payer's own edit rules in view.

Modifier 25, 59 and 76 each need documentation to justify them, and which edits apply changes by payer and by state.

Specialty coding handled by a generalist.

A pooled coder queue means the person coding a multi-level spine procedure today codes a dermatology biopsy tomorrow — accurate on neither at the depth a payer’s specialty-specific edits expect.

A coding backlog becomes a documentation backlog.

When coding volume outpaces staff capacity, charts queue instead of being coded on receipt. By the time they’re coded, the clinician who could clarify an ambiguous note has moved on to fifty other patients.

What each code set covers

An ICD-10 or CPT code tells you a claim was coded. It doesn’t tell you what each code set is actually for, or where errors typically start.

Code Set	Maintained By	What It Covers	Common Coding Error
ICD-10-CM	CDC / NCHS	Diagnoses — the reason for the encounter	Coded to an unspecified character when documentation supports a more specific one
CPT	American Medical Association	Procedures and professional services performed	Wrong code selected for a bundled or staged procedure
HCPCS Level II	CMS	Supplies, drugs, DME and services CPT doesn't cover	Missing or mismatched unit count for a drug billed by dosage

What medical coding services include

Diagnosis coding (ICD-10-CM)

Every reportable diagnosis is identified and sequenced to the level of specificity the payer requires, not just the first code that plausibly fits.

Procedure and service coding (CPT/HCPCS)

Procedures, supplies and drugs are coded to the correct code, unit count and modifier set for the specialty and payer in question.

Specialty-specific coding

Applied by a coder credentialed in that specialty, covering the documentation conventions and edit sets unique to it — not a generalist’s best guess.

Modifier and edit review

Modifier justification (25, 59, 76 and others) and NCCI/payer-specific edit checks run before submission, not after a denial.

Coder query management

When documentation doesn’t support a code, a query goes back to the provider before the claim is coded — not after it’s rejected.

Coding compliance documentation

A chart-level record of which code was assigned, by whom, against what documentation — available if a payer or regulator asks.

Reporting

Reporting on coded volume, query rate and specialty mix. Reports run monthly by default, with cadence and format set by what’s agreed with each client.

Specialty-matched onboarding

New accounts are staffed with coders already credentialed in the relevant specialty, rather than training generalists on the account after signing.

Scope

Why healthcare organizations choose Neolytix for medical coding

Medical Coding Services Backed by 96%+ First-Pass Acceptance

Tracked monthly against each account’s own baseline. The denominator — gross claims coded versus net of clearinghouse rejections — is confirmed for your account before the number is reported, not assumed at the program level.

Medical Coding Solutions for 31 Specialties, Never a Pooled Queue

A cardiology chart is coded by a coder credentialed in cardiology, not whichever AAPC- or AHIMA-certified coder is next in a shared queue. Specialty assignment is fixed for the life of the account.

Outsourced Medical Coding Inside the EHR You Already Use

Programs run inside Epic, Athena, AdvancedMD, eClinicalWorks and others, so charts move through the system your staff already know — no parallel platform, no data migration before coding starts.

Medical Coding Across ICD-10, CPT and HCPCS, Checked Pre-Submission

Diagnosis, procedure and supply codes are assigned and sequenced together, with modifier logic and NCCI edit checks run before a claim is submitted — not discovered afterward on the remittance.

Medical Coding Services for 270+ Organizations Across 40 States

Coded by a team with 14+ years in US revenue cycle work behind it, in the states you operate in today.

Medical Coding and Coding Audits, Kept as Two Distinct Services

A coder assigning your codes and a reviewer checking someone else’s coding are different jobs, staffed and scoped differently. This page covers the first; Medical Coding Audit Services (/medical-coding-audit-services/) cover the second.

Our Latest Success Stories

Discover how Neolytix has driven remarkable revenue growth for healthcare providers through expert contract negotiation. Our most recent successes showcase the impact of our services, demonstrating substantial gains in CPT codes billed across a range of healthcare practices.

Top 3 billed codes

increase in reimbursement rate

0 %

• FirstCare | Texas

All billed codes

increase across all billed codes

0 %

• Caresource | Georgia

Top 5 billed codes

increase in CPT code billing

0 %

• BCBS | Texas

How It Works

How outsourcing medical coding services works

Outsourcing MEDICAL CODING

Chart Intake

Code Assignment

Query Resolution

Coded Claim Delivered

Built for everyone responsible for coding accuracy

CFO and finance leadership

Coding accuracy tracked against the first-pass acceptance figure, so the revenue impact of a coding error shows up before it becomes a denial trend three months later.

HIM / coding operations manager

One point of accountability for specialty-assigned coding and coder query volume, instead of visibility into a pooled vendor queue you can’t see inside of.

Compliance / revenue integrity leader

A chart-level record of which code was assigned, by whom, against what documentation — the trail an audit or payer request actually needs.

Practice administrator

Coding capacity that scales with visit volume without adding coding headcount to the practice.

Billing manager

Coded claims arrive with modifier and edit checks already run, so fewer claims come back as a coding-origin denial to chase down.

Revenue cycle director

One specialty-assignment standard across every location, instead of coding quality varying by whichever coder a chart happened to land on.

Who We Serve

What Changes By Setting

The coding standard is the same everywhere — all 31 specialties, the same query process, the same pre-submission edit checks. What differs is volume, EHR complexity, and how much specialty depth a setting needs.

Independent Practices

Lower chart volume, usually one or two specialties. Coding is often absorbed by front-desk or billing staff between other duties.

Multi-site Groups

Coding volume spans multiple locations and sometimes multiple EHRs. Consistency across sites becomes the main coding challenge, more than any single chart.

Specialty And Sub-specialty Practices

Documentation conventions and payer edits are specific enough that a generalist coder needs specialty training most programs don’t provide as standard.

Pe-backed Platforms And Msos

Coding consistency across acquired practices — each potentially on a different EHR, each with a different coding history — becomes a due-diligence question as much as a coding one.

Hospitals And Health Systems

Inpatient coding is supported — surgical and E/M services across specialties including cardiology, orthopedics, GI, bariatric, podiatry and OB-GYN — plus DRG-level facility coding, scoped to each client’s needs.

Enterprise / Multi-state Organizations

Coding needs to hold up across state Medicaid variation and a wider payer mix, with reporting rolled up at the organization level rather than per site.

How outsourced medical coding compares to in-house or pooled coding

Feature	In-house Or Pooled Outsourced Coding	Neolytix
Specialty-assigned coder for every chart	— depends on staff depth
Modifier and NCCI edit checks before submission
Coder query sent to the provider before coding, not after rejection	— depends on queue and access
Coding capacity that scales without adding headcount
Chart-level documentation trail for compliance review
Reporting on coded volume, query rate and specialty mix

Book a call with a medical coding specialist

Twenty minutes, on a call with someone who codes charts or manages coders who do — not a sales demo. Bring a handful of recent denials or downcodes and get a read on whether they’re a coding-origin problem before you sign anything.

Client Result

"We were facing persistent denials for TMS services due to medical necessity and documentation gaps. The Neolytix team helped us correct our coding and documentation processes and resubmitted previously denied claims. As a result, our claim acceptance rate improved significantly, and we were able to recover over revenue in a month. Our overall billing process is now much more compliant and efficient."

"Neolytix has helped us to improve documentation quality, we have seen a huge reduction in denials and increase in our revenue/payments."

"We were facing challenges with inpatient charge accuracy, including overcoding and duplicate billing, which were impacting our collections. The Neolytix team implemented a structured charge review and claims validation process. As a result, our billing accuracy improved significantly, and we saw a noticeable reduction in denials along with better overall collections. Their proactive approach and regular insights have been very valuable."

"We were experiencing issues with overcoding and duplicate charges, leading to increased denials and inefficiencies in our billing process. The Neolytix team helped us implement a structured review process and improve our coding accuracy."

"Neolytix coding team has been very helpful in educating and resolving coding issues as they arise. I look forward to our continued collaboration."

The Financial Case For Outsourcing Coding

Revenue Protected

Fewer clean claims lost to coding-origin denials and downcodes.

Lower Cost To Code

No recruiting, training or retaining an in-house coding bench — capacity scales with specialty-matched coders already on staff.

Cash Flow, Easier To Predict

Pre-submission edit checks mean fewer coded claims come back as a downcode or denial to chase before they’re paid.

Security-First. At Every Step.

Built for Compliance. Designed for Confidence.

Every service we deliver is built on a foundation of strict data governance and regulatory compliance. HIPAA safeguards and ISO 27001-certified security practices are embedded into how we work, not added after the fact.

Get in Touch With Us

FAQs

Medical coding questions

What is included in medical coding services?

Diagnosis coding in ICD-10-CM and procedure and supply coding in CPT and HCPCS, applied by a coder credentialed in the relevant specialty; modifier justification and NCCI edit checks run before submission; coder queries sent back to the provider when documentation doesn’t support a code; a chart-level compliance record of what was coded, by whom, against what documentation; and reporting on coded volume, query rate and specialty mix. Coding audit — checking codes that have already been assigned — is a separate service, not part of this scope.

How is medical coding different from medical billing?

Coding assigns and sequences the codes a payer needs to adjudicate a claim. Billing takes that coded claim, submits it, tracks it, posts the payment and pursues the balance. They are consecutive steps, not the same job, and the order matters: coding determines whether billing has an accurate claim to submit in the first place. A billing team working from inaccurate codes cannot fix the problem downstream, only chase its consequences.

How is medical coding different from a medical coding audit?

Production coding answers “what code does this documentation support?” and happens before the claim is submitted; what you receive is a coded claim. A coding audit answers “was the code that was assigned correct?” and happens after codes already exist — assigned by us or by anyone else; what you receive is a findings report with an error rate, root causes and recommendations. This page covers the first. Medical Coding Audit Services covers the second.

What certifications should a medical coding company's coders hold?

The baseline is AAPC or AHIMA certification — CPC for professional and outpatient coding, CCS or equivalent where inpatient and facility coding is involved — plus any specialty credential that applies to your case mix. The more useful question is narrower than the company’s credential list: ask which certification is held by the coder who will actually be assigned to your account and your specialty. A vendor quoting an aggregate certification rate across a shared pool is answering a different question.

Can outsourced medical coding services work inside our existing EHR?

Yes. Programs run inside Epic, Athena, AdvancedMD, eClinicalWorks and other systems, so charts move through the platform your staff already use. There is no parallel coding platform to learn and no data migration before coding starts — which also means no separate system holding a copy of your chart data.

How are medical coding services priced?

Coding is normally priced per chart or encounter, or as a fixed monthly cost for a dedicated coder assigned to your account. Percentage-of-collections pricing exists but fits a combined coding-and-billing engagement rather than coding alone, because collections depend on more than code accuracy. What moves the number is specialty mix, inpatient versus outpatient scope, turnaround requirement and volume consistency. The section above sets out all three models and the three questions worth asking any vendor before signing.

What happens if documentation doesn't support a code?

A query goes back to the provider before the claim is coded. The chart is not force-coded to the nearest defensible code, and it is not coded to the more favourable one — both create a problem that surfaces on the remittance weeks later, as a downcode or an audit flag, at a point where the clinician who could have clarified the note has moved on. Query volume is reported, so a documentation pattern that keeps generating queries becomes visible and fixable rather than absorbed silently.

Which specialties does Neolytix provide medical coding services for?

Thirty-one specialties, each with coders credentialed and assigned to it rather than drawn from a shared pool. Rather than matching your specialty against a list, ask on the call which coder would be assigned to your account and what credential they hold for your specialty — that is the answer that determines coding quality, and it is specific to your engagement.

Is outsourced medical coding HIPAA compliant?

Yes. Neolytix is HIPAA compliant and ISO 27001 certified, a Business Associate Agreement is signed at the start of every engagement, and chart and coding data is encrypted in transit and at rest. Because coding involves reading clinical documentation on every chart, ask any coding vendor where chart data is stored, who can access it, and whether it leaves the system of record.

How do we switch medical coding vendors without disrupting claims in progress?

The two things that go wrong in a coding transition are charts coded twice and charts coded by nobody. Both are avoided by cutting over on date of service rather than a calendar date, so every chart has exactly one owner: charts with a service date before the cutover stay with the outgoing process until that queue clears, and everything from the cutover forward is coded by the incoming coder. The incoming coder is credentialed and onboarded to your specialty and your EHR before the cutover date, not after it. Reconcile coded-chart counts on both sides of the line in the first week — that is where a gap shows up while it is still small enough to fix inside the timely filing window.