OB/GYN billing blog
OB/GYN billing & coding guides
Practical, plain-English articles on OB/GYN CPT and ICD-10 coding, global maternity billing, claim denials, telehealth, credentialing and the 2027 maternity code transition. A new article is published every week.
2027 Transition
2027 Transition
2027 Delivery Codes Explained: 59431, 59432, 59502, 59503 and 59504 Replace 59400 and 59510
What replaces 59400, 59510 and the VBAC codes on January 1, 2027: the new vaginal and cesarean delivery codes, laceration repair, cesarean hysterectomy, uterine tamponade, postpartum reporting and a crosswalk.
6 min read · October 15, 2026
2027 Transition
New 2027 Labor Management Codes 59080–59083: Straightforward vs. Complex Labor
CPT 2027 adds per-day labor management codes 59080–59083. Learn initial vs. subsequent day reporting, what makes labor complex, how the codes interact with hospital E/M and induction, and documentation tips.
6 min read · October 15, 2026
Maternity Billing
Maternity Billing
CPT 59409 vs 59410: Vaginal Delivery Only vs. Delivery With Postpartum Care
CPT 59409 is vaginal delivery only; 59410 adds postpartum care. Learn the descriptors, the MMM global indicator, when each applies, worked examples, diagnosis codes and what replaces them in 2027.
6 min read · October 15, 2026
Maternity Billing
Split Maternity Care Billing: When a Patient Changes Providers Mid-Pregnancy (Worked Example)
How to code antepartum, delivery and postpartum care when a pregnant patient moves between practices — with a full worked example (Arizona to Wisconsin, repeat cesarean) and a split-care code table.
6 min read · October 15, 2026
Maternity Billing
TH Modifier in Medical Billing: Obstetrical Treatment and Services Explained
The TH modifier identifies obstetrical treatment or services, prenatal or postpartum. Learn which payers require it, how it's used with E/M and component codes, and how it will matter after the 2027 maternity code changes.
5 min read · October 15, 2026
Maternity Billing
CPT 59400 Explained: Description, What's Included and Billing Rules
CPT 59400 is routine obstetric care including antepartum care, vaginal delivery and postpartum care. Learn what's included and excluded, when to use component codes instead, billing timing, diagnosis codes and its 2027 deletion.
5 min read · July 7, 2026
Maternity Billing
Itemized vs. Global Maternity Billing: Which Applies to Your Patient?
When to bill the global OB package and when to itemize antepartum, delivery and postpartum care — with a decision tree, common scenarios, payer variations and how 2027 changes the question.
4 min read · July 6, 2026
Maternity Billing
Understanding Global Maternity Billing Guidelines for OB/GYN Practices
A practical guide to global maternity billing guidelines: what the global OB package includes, what's billed separately, CMS and payer rules, the MMM global indicator, diagnosis coding and how it all changes in 2027.
5 min read · July 5, 2026
Maternity Billing
7 Global Maternity Billing Mistakes That Cost OB/GYN Practices Revenue
The global maternity billing mistakes we find most often — wrong package vs. component codes, split care, VBAC coding, missed separately billable services, LARC device codes and delivery diagnosis errors — and how to fix each.
4 min read · April 10, 2026
GYN Surgery Coding
GYN Surgery Coding
CPT Code for Robotic Hysterectomy: 58570–58573, LSH, LAVH and S2900 Explained
There's no robotic-specific CPT code. Learn how to code robotic-assisted total laparoscopic, supracervical and LAVH hysterectomies, when S2900 applies, and the documentation that protects payment.
6 min read · October 15, 2026
GYN Surgery Coding
Myomectomy CPT Codes: Open, Laparoscopic, Robotic and Hysteroscopic (58140–58561)
How to code myomectomy by approach, number and weight of fibroids — abdominal, vaginal, laparoscopic/robotic and hysteroscopic — plus adenomyomectomy, fibroid ablation, ICD-10 D25 codes and documentation tips.
5 min read · October 15, 2026
GYN Surgery Coding
Coding for Pelvic Floor Repair Procedures: What to Know
How to code combined pelvic floor repair procedures — anterior and posterior colporrhaphy, enterocele repair, apical suspension, sacrocolpopexy, slings and vaginal hysterectomy combinations — and avoid bundling errors.
4 min read · July 25, 2026
GYN Surgery Coding
Common Gynecological Surgery Coding Mistakes That Cost Practices Revenue
The recurring errors in gynecologic surgery coding — wrong approach, weight tiers, adnexal procedures, unbundling, modifier 22 and 59 misuse, global periods and diagnosis linkage — and how to fix each.
4 min read · July 11, 2026
Revenue Cycle
Revenue Cycle
OB/GYN Billing KPIs: 12 Revenue Cycle Metrics Every Practice Should Track
The OB/GYN revenue cycle KPIs that matter — net collection rate, days in A/R, denial rate, charge lag, open pregnancies and more — with formulas, what each tells you and how to act on it.
6 min read · October 15, 2026
Revenue Cycle
OB/GYN Revenue Cycle Management Software vs. Outsourced RCM: How to Compare
Shopping for OB/GYN revenue cycle management software? Learn what cloud-based RCM tools do, what they don't, the features OB/GYN practices need, demo questions to ask, and when outsourcing makes more sense.
6 min read · October 15, 2026
Revenue Cycle
Should You Outsource OB/GYN Billing? Pros, Cons, and ROI
An honest look at in-house vs. outsourced OB/GYN billing: real advantages and risks of each, how to calculate ROI, hybrid options, red flags in billing companies, and a transition checklist.
4 min read · July 31, 2026
Revenue Cycle
Negotiating Payer Contracts: A Guide for OB/GYN Practice Owners
How OB/GYN practices can prepare for payer contract negotiations: know your volume and value, benchmark rates against Medicare, time renewals, review non-rate terms, and plan for the 2027 maternity codes.
4 min read · July 29, 2026
Revenue Cycle
Which OB/GYN Procedures Typically Require Prior Authorization?
A reference to the OB/GYN services most likely to require prior authorization — hysterectomy, myomectomy, laparoscopy, imaging, genetic testing, infertility, injectables — and how to prevent authorization denials.
4 min read · July 27, 2026
Revenue Cycle
How to Reduce Days in Accounts Receivable for Your OB/GYN Practice
Ten practical steps to reduce days in A/R in an OB/GYN practice: faster charge entry, clean claims, 48-hour denial work, payer-level A/R tracking, global maternity monitoring and patient collections.
4 min read · July 14, 2026
Revenue Cycle
Revenue Cycle Management Basics Every OB/GYN Practice Should Know
The OB/GYN revenue cycle explained step by step — from scheduling and eligibility to coding, claims, payment posting, denials, A/R and patient billing — plus why obstetric revenue cycles run longer and where money is lost.
4 min read · July 13, 2026
Compliance
Compliance
HIPAA Compliance Essentials for OB/GYN Billing Staff
The HIPAA rules that matter most for billing and coding staff in OB/GYN practices: minimum necessary access, secure claims and EOB handling, patient communications, business associates, sensitive services and role-specific training.
4 min read · July 30, 2026
Compliance
Internal Coding Audit Checklist for OB/GYN Practices
A practical checklist for running an internal OB/GYN coding audit: sampling, global vs. itemized maternity, surgical codes, O-code specificity, modifiers, E/M levels, LARC and ultrasound, plus how to report findings.
4 min read · July 20, 2026
Credentialing
Credentialing
How Long Does Payer Credentialing Really Take?
Realistic payer credentialing timelines for OB/GYN providers — Medicare, Medicaid, managed care and commercial plans — what causes delays, what speeds things up, and how to plan a new provider's start date.
4 min read · July 16, 2026
Credentialing
The Complete Credentialing Checklist for New OB/GYN Providers
A step-by-step credentialing checklist for new OB/GYN physicians, midwives and NPs: documents to gather, NPI and taxonomy, CAQH, Medicare, Medicaid, commercial payers, hospital privileges and timelines.
4 min read · July 15, 2026
Denial Management
Denial Management
Top 9 Reasons OB/GYN Claims Get Denied (and How to Prevent Them)
The most common OB/GYN claim denial reasons — eligibility, authorization, CO-97 bundling, diagnosis errors, global period conflicts, credentialing, timely filing, medical necessity and duplicates — with prevention steps.
4 min read · July 10, 2026
Denial Management
CO-97 Denial Code: What It Means and How to Fix It (OB/GYN Guide)
Denial code CO-97 means the service is included in payment for another service. Learn the full description, common OB/GYN causes (global OB, surgical global, NCCI), modifiers that fix it and when the denial is correct.
6 min read · July 9, 2026
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