AHA Coding Clinic® for ICD-9 - 2002 Fourth Quarter

VOLUMES 1 AND 2 NEW/REVISED DIAGNOSIS CODES

New Tabular Convention Effective October 1, 2002, a new convention providing sequencing instruction has been introduced in Volume 1 (Tabular List of Diseases) of the ICD-9-CM. The instruction can be found following a code as: Code, if applicable, any causal condition first: This note indicates that if a causal condition were present, it would be sequenced before the code to which this note is attached. However, a code with this note may be sequenced as a first-listed code or principal diagnosis, if no causal condition is applicable or known. Example: 707.1 Ulcer of lower limb, except decubitus Revise...

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