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ICD9CM is a coding system based on WHO ICD9 codes, but containing multiple additions and modifications. Sources
All Concepts are assigned the longest of all available names.
All ICD9CM codes are represented in the format containing the dot.
All ICD9CM codes are not Standard.
Concept Class | Active | Deprecated | Description |
---|---|---|---|
3-dig billing V code | 1 | 0 | |
3-dig billing code | 92 | 0 | |
3-dig nonbill V code | 89 | 0 | |
3-dig nonbill code | 836 | 0 | |
4-dig billing E code | 44 | 0 | There are no 3-digit E codes |
4-dig billing V code | 474 | 0 | |
4-dig billing code | 3863 | 0 | |
4-dig nonbill E code | 171 | 0 | |
4-dig nonbill V code | 159 | 0 | |
4-dig nonbill code | 1730 | 0 | |
5-dig billing E code | 1247 | 0 | There are no 5-digit codes that are non-billing |
5-dig billing V code | 634 | 0 | |
5-dig billing code | 8212 | 0 | |
ICD9CM V code | 0 | 1108 | Legacy class |
ICD9CM code | 0 | 12 | Legacy class |
For each ICD9CM Concept, the Domain is inferred from the SNOMED Concept it is mapped to. If it is mapped to more than one concept, a combination Domain is assigned.
Domain | Active | Deprecated | Description |
---|---|---|---|
Condition | 14415 | 140 | Bulk of ICD9CM codes |
Observation | 2606 | 579 | |
Procedure | 330 | 314 | |
Measurement | 201 | 13 | |
Meas/Procedure | 0 | 22 | Deprecated codes |
Condition/Meas | 0 | 33 | Deprecated codes |
Condition/Procedure | 0 | 19 | Deprecated codes |
Relationships There are two types of relationships:
ICD9CM Concepts are not Standard Concepts and therefore do not participate in the Hierarchy of the OMOP Standardized Vocabularies.