Questions and Answers for (Hospital-Based and Physician Office) Outpatient Services

The Central Office on ICD-9-CM serves as the official clearinghouse for ICD-9-CM. The following questions and answers are provided to assist users of ICD-9-CM in assigning diagnosis codes for (hospital-based and physician) outpatient services. Certain payers may require additional procedure codes to be reported using the American Medical Association's Current Procedural Terminology (CPT-4) and the Level II or III (alphanumeric) Health Care Financing Administration Common Procedure Classification System (HCPCS). The following questions and answers are provided for assistance in code assignment. Probable diagnosis - outpatient stay Autologous blood donor Syncope following autologous blood donation Harvesting of stem cells Drug...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article presents a question-and-answer review of outpatient coding topics for hospital-based and physician office settings. It addresses broad diagnosis assignment scenarios, mentions the role of CPT and HCPCS reporting for some payers, and includes a correction/clarification note tied to an ICD-9-CM fever code update.

Why This Topic Matters

It helps coding staff, billers, auditors, and compliance teams understand how outpatient diagnosis reporting guidance is discussed in official coding education materials and where related procedure-code reporting may also come into play.

Article Sections

  1. Introductory guidance

    Explains the purpose of the question-and-answer format and identifies the organizations and code sets referenced for outpatient services.

  2. Questions and answers for outpatient coding scenarios

    Covers a series of outpatient diagnosis assignment scenarios involving common clinical and preoperative situations, along with related coding guidance topics.

  3. Correction / clarification notice

    Provides a brief update related to a later coding clarification and notes an expansion referenced by date.

What You Will Learn

  • How the article frames outpatient diagnosis coding questions and answers
  • Which general outpatient documentation scenarios are discussed
  • What coding-related organizations and code systems are mentioned
  • How the article presents a later correction or clarification note

Who Should Read This

  • Hospital outpatient coders
  • Physician office coders
  • Coding educators
  • Billing and reimbursement staff
  • Compliance and audit professionals

Codes Discussed

  • ICD-9-CM: 780.6
  • ICD-9-CM: 478.1
  • ICD-9-CM: 708.6

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