
Place of Service Codes in Medical Billing: Complete List & Guide
The full POS code list, the 11 vs 22 payment split, telehealth 02 vs 10, and the mismatches that deny claims.
Read Full ArticleExpert guidance on revenue cycle management, denial prevention, and billing best practices.
In-depth guides from experienced U.S. healthcare billing specialists.

The full POS code list, the 11 vs 22 payment split, telehealth 02 vs 10, and the mismatches that deny claims.
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CCM codes 99490, 99439, 99487 and 99491 — consent, time rules, and how CCM compares with PCM.
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RPM codes 99453–99458, the 16-day rule, and the new 2026 codes 99445 and 99470 explained.
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G0438 vs G0439 vs the IPPE, frequency rules, and billing a same-day E/M with modifier 25.
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TCM codes 99495 and 99496 — the 2-business-day contact rule and the 7- vs 14-day visit windows.
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BHI code 99484 and CoCM 99492–99494, billed by primary care — team roles, registry and time rules.
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RTM codes 98975–98981 for PT, OT and speech — and how RTM differs from RPM, rule by rule.
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PTP code-pair edits, modifier indicators 0/1/9, MUEs — and a deep guide to modifier 59 and the X modifiers.
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0, 10 and 90-day global periods, 99024 tracking, and modifiers 24, 58, 78 and 79 in the post-op window.
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Group codes CO, PR, OA and PI, the CARC denial codes practices see most, and the standard fix for each one.
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PECOS enrollment, eligibility and MSP screening, ABN basics, the timely-filing rule and top Medicare denial causes.
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TMHP and Texas Medicaid realities, timely-filing discipline, payer mix, and the questions to ask before you sign.
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Place-of-service codes, modifiers and the audio-only distinction — and why every payer's telehealth rules differ.
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The services checklist, pricing models, contract terms and red flags to check before you sign any agreement.
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From reading the denial code to the final appeal level — the exact process for overturning denied claims.
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Days in AR, denial rate, net collection rate and the other numbers that tell you whether billing is healthy.
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What each part covers, which form its claims take, and who actually pays — a provider-side tour of Medicare.
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The institutional claim form decoded — type of bill, revenue codes, occurrence and value codes explained.
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Medicare's statutory deadline, Medicaid's state rules, and commercial contract windows — before a claim turns worthless.
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When an ABN is required, the three patient options, the GA/GZ modifiers, and the mistakes that void the form.
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Every major CARC denial code decoded — what it means, why it happens, and exactly how to fix and prevent it.
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What modifiers 25, 59, 26, 50 and the X-modifiers mean, with examples and denial warnings.
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What goes in every box of the CMS-1500, and the mistakes that cause rejections in each block.
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How accounts receivable works: aging buckets, the follow-up process, key roles and the metrics to watch.
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Every stage from eligibility checks to payment posting — what happens, and where each stage breaks down.
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The errors that quietly cost practices money — and the checks that stop them.
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Pricing models, market ranges and the true cost of billing in-house vs outsourced, explained honestly.
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The full revenue cycle explained in plain language — stages, KPIs and where money leaks.
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The formula, healthy benchmarks, and how to bring a high number down.
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CAQH ProView profiles, attestation cycles and keeping credentialing data current.
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Everything healthcare providers need to know about outsourcing medical billing, from front-end RCM to collections.
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Learn the root causes of claim denials and implement workflows that cut denial rates by up to 30%.
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Optimize your entire revenue cycle from patient access to final payment with these expert RCM strategies.
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Navigate CPT codes, telehealth billing, and payer-specific rules for behavioral health practices.
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A step-by-step guide to provider credentialing, payer enrollment, and avoiding enrollment-related denials.
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Proven accounts receivable follow-up tactics to reduce aging buckets and improve collection rates.
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Configure electronic claim submission, remittance advice, and funds transfer for seamless billing.
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Compare leading EHR and practice management platforms and choose the right billing software for your practice.
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Identify the top clearinghouse and payer rejection reasons and implement fixes before submission.
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A data-driven comparison of outsourced medical billing versus building an internal billing team.
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