Category: Blog

Urology CPT Codes

Comprehensive List of Commonly Used Urology CPT Codes

Introduction Urology is a specialized medical field dealing with disorders of the urinary tract and male reproductive system. From diagnosing kidney stones to performing complex procedures like prostate surgeries, urologists rely heavily on accurate medical coding for reimbursement and compliance. CPT (Current Procedural Terminology) codes play a crucial role in this process — they describe […]
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Halloween icd10 codes

Halloween ICD-10 Codes for 2025

Halloween is the time for tricks, treats, and the occasional… unusual injury. From ghostly encounters to mysterious bites, there’s an ICD-10 code for just about everything — even your most frightful Halloween mishaps! As medical billers and coders know, accuracy is key — even when the cause of injury involves zombies, broomsticks, or flaming water […]
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Postoperative Period Modifiers

Postoperative Period Modifiers in Medical Billing

In medical billing, modifiers play a vital role in ensuring accurate reimbursement, especially during the postoperative period. The postoperative period refers to the specific timeframe following a surgical procedure when related care is typically included in the surgical package and not separately reimbursable. However, certain situations require physicians to perform additional procedures or unrelated services […]
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CO 109 Denial Code

CO 109 Denial Code Explained – Causes, Filing Rules & Prevention

In the complex world of medical billing, claim denials can significantly impact a provider’s cash flow, operational efficiency, and financial stability. One of the most common and often misunderstood denial codes is CO 109. This denial typically arises due to timely filing issues, which means the payer received the claim after the allowed submission deadline. […]
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ICD-10-CM Code K21.9

ICD-10-CM GERD Diagnosis Code K21.9: A Complete Guide for Medical Billing

Gastroesophageal Reflux Disease (GERD) is one of the most frequently diagnosed conditions in clinical settings, especially among gastroenterology practices. With rising patient visits related to acid reflux and indigestion symptoms, accurate coding plays a crucial role in ensuring proper documentation, reimbursement, and compliance. The ICD-10-CM diagnosis code K21.9 is widely used for GERD cases that […]
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CPT ICD Compliance Checklist

Comprehensive CPT/ICD Compliance Checklist for Healthcare Providers

In today’s highly regulated healthcare environment, CPT and ICD code compliance isn’t just about accuracy—it’s about protecting your revenue, safeguarding against penalties, and ensuring smooth reimbursements. Healthcare providers and billing teams face increasing pressure to align with payer rules, CMS guidelines, and continuous code updates. A single coding error can result in denied claims, delayed […]
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Acupuncture CPT Codes

Most Common Acupuncture CPT Codes: A Complete Billing Guide

Acupuncture services are increasingly being covered by major insurance providers, including Medicare for specific conditions such as chronic low back pain. However, accurate billing is critical for successful reimbursement. Understanding the most common acupuncture CPT codes, proper documentation, and payer-specific guidelines helps healthcare providers avoid denials and revenue leakage. At Allzone, we specialize in chiropractic […]
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HCPCS C Codes

HCPCS Code Categories: C Codes Overview

The Healthcare Common Procedure Coding System (HCPCS) is a standardized coding system used primarily for billing and reporting medical services and supplies in the United States. Within HCPCS, C codes are a specific category of temporary codes used under the Hospital Outpatient Prospective Payment System (OPPS). These codes are issued by the Centers for Medicare […]
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Modifiers 80, 81, 82, and AS

Modifier 80, 81, 82, AS – Description, Examples, & Usage Guidelines

Medical billing and coding is a critical part of healthcare revenue cycle management (RCM), ensuring providers are reimbursed accurately for their services. Among the many modifiers used in coding, Modifiers 80, 81, 82, and AS are essential in defining the role of assistant surgeons during procedures. Correct usage of these modifiers can prevent claim denials, […]
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co 197 Denial Code

Complete Guide to Handling CO‑197 Denials in Medical Billing

What is CO‑197? In medical claims terminology, CO 197 (or “CO‑197”) is a denial adjustment code used by payers to indicate that a claim (or line item) was rejected because precertification, authorization, or required notification was not obtained prior to providing the service. The “CO” stands for Contractual Obligation — meaning this denial is tied […]
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