This document provides an overview of medical coding and the process involved. It discusses the objectives of medical coding, which include standardizing medical terminology and ensuring data is mapped to standardized medical dictionaries. It also describes the pre-coding process and prerequisites for assigning codes, such as having clinical data and using standardized coding dictionaries. Finally, it reviews some common medical coding dictionaries like MedDRA and WHODD, how they are structured in a hierarchy, and how codes are assigned based on the dictionary terminology.

1. Medical Coding:
1 11/20/2017Katalyst Healthcares & Life Sciences

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Demonstration
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Coding
Standards
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OVERVIEW
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OBJECTIVES
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DO YOU KNOW
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PRE-CODING PROCESS
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PRE-REQUISITES FOR ASSIGNING A DICTIONARY
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Clinical Data
Management System
Coding Dictionaries
MedDRA/ WHODD
Auto-Coding Manual Coding
Reviewed
by coder:
Is term
codeable?
All terms are coded
and mapped to the
dictionary
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Site enters data
in eCRF (Case
report forms)
Resolution
received from
site
Query issued to
site
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CODING DICTIONARIES
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Dictionary Version release
MedDRA Twice a year – In March and September
WHODD Quarterly – In March, June, September and
December
WHO-ART Quarterly
BNF Twice a year

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PURPOSE OF DICTIONARY CODING
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WHY ARE DICTIONARIES USED ?
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• LOWEST LEVEL TERM
CODE
• NUMERIC IN NATURE ‘ALPHA NUMERIC’
STRUCTURE OF DICTIONARIES
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19. • Dictionaries are Hierarchical code files
• Dictionaries are of two types:
– Standardized Dictionaries
– Published classification systems
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Dictionary Category and
Hierarchy

20. Dictionary Category and Hierarchy
: Standard Dictionaries
• The most preferred Standard Dictionaries are as follows :
MedDRA
____________________
Medical
Dictionary for
Regulatory
Activities
____________________
➢ Symptoms
➢ Signs
➢ Diseases
➢ Diagnosis
➢ Therapeutic Indications
➢ Names & Qualitative results of
investigations
➢ Surgical & Medical Procedures
➢ Medical/Social/Family History
WHO Drug
_____________________
World Health
Organization -
Drug Dictionary
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➢ Study Drugs
➢ Concomitant Drugs
➢ Previous Drugs
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21. Dictionary Category and Hierarchy
: Published classification systems
• The Published classification systems are as follows :
ICD- 10 -CM
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International
Classification of
Diseases - 10th Edition
Clinically Modified
__________________
➢ Cause of Death
➢ Medical History
➢ Concomitant Illness
➢ Primary Diagnosis
➢ Secondary Diagnosis
➢ Subject Drug Indications
➢ Non Drug Treatment
BNF
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British National
Formulary
__________________
➢ Study Drugs
➢ Concomitant Drugs
➢ Previous Drugs
WHO - ART
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World Health
Organization -
Adverse Reaction
Terminology
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➢ Adverse Events
- Serious
- Non-Serious
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24. MedDRA Dictionary : SOC
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25. MedDRA Dictionary : HLGT
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26. MedDRA Dictionary : HLT
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27. MedDRA Dictionary : PT
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28. MedDRA Dictionary : LLT
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ATC
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35. QUESTIONS
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TEST YOUR UNDERSTANDING
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SUMMARY
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38. You have successfully completed - Medical Coding
Thank You
&
Questions
11/20/2017
Contact:
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