AHA Coding Clinic® for ICD-9 - 1990 Second Quarter
Guidelines for Reporting Other (Additional) Diagnoses
Introduction A joint effort between the attending physician and coder is essential to achieve complete and accurate documentation, code assignment, and reporting of diagnoses and procedures. The Cooperating Parties have developed and approved the following guidelines in order to assist both the physician and the coder in identifying those diagnoses that are to be reported in addition to the principal diagnosis. Medical record directors are encouraged to use these guidelines in providing in-service education to both their medical staff and coding staff to ensure that physicians and coders understand and correctly apply the Uniform Hospital Discharge Data Set (UHDDS)...
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Article Overview
This article explains historical inpatient guidance for reporting other (additional) diagnoses under UHDDS and ICD-9-CM. It is aimed at physicians, coders, and hospital documentation staff who need to understand the broad categories of conditions that may or may not be reported, along with guidance on abnormal findings and heart failure terminology. The article is useful for anyone reviewing legacy inpatient coding policy, documentation quality, or discharge diagnosis reporting practices.
Why This Topic Matters
Accurate reporting of additional diagnoses affects inpatient data quality, documentation consistency, and code assignment. The article helps readers understand the scope of conditions that may be considered reportable in a hospital stay and the types of situations that require careful documentation review.
Article Sections
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Introduction
Introduces the role of physician-coder collaboration and the purpose of the guidance for reporting additional diagnoses. It also frames the use of UHDDS-based inpatient reporting standards.
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Reporting Other (Additional) Diagnoses
Summarizes the reporting context for inpatient diagnosis data and identifies the general guideline categories covered in the article. It references the broader ICD-9-CM framework used for these instructions.
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ODX #1 Previous conditions
Discusses how prior or historical conditions are considered when they appear in the record and whether they are part of the current stay. Examples illustrate the general documentation review issue.
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ODX #2 Diagnoses not listed in the final diagnostic statement
Addresses situations where a condition appears in the chart but is omitted from the final diagnosis list. It covers broad categories of systemic and coexisting conditions and the need to reconcile documentation.
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ODX #3 Conditions that are an integral part disease process
Explains the concept of conditions that are part of an underlying disease process and are not treated as separate additional diagnoses. It includes general examples of symptom-to-disease relationships.
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ODX #4 Conditions that are not an integral part of a disease process
Describes conditions that may coexist with the principal illness but are not routinely part of it. The section contrasts conditions that are and are not reported as additional diagnoses.
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ODX #5 Abnormal findings
Covers abnormal laboratory, imaging, and other diagnostic findings and when they warrant further consideration in the record. It also notes the related nonspecific abnormal findings code category in ICD-9-CM.
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Heart Failure
Provides a focused discussion of heart failure terminology, clinical presentation, causes, and descriptive forms. The section also connects the topic to ICD-9-CM heart failure classification guidance.
What You Will Learn
- The general framework for reporting additional inpatient diagnoses
- How documentation is reviewed when historical conditions appear in the chart
- How coexistence, significance, and clinical relevance affect diagnosis reporting
- How abnormal findings are handled in legacy ICD-9-CM guidance
- How heart failure terminology is discussed in the context of diagnosis reporting
Who Should Read This
- Hospital coders
- Physicians
- Clinical documentation staff
- Coding educators
- Medical record directors
Codes Discussed
Code Ranges Discussed
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