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ICD-10-CM Code for Angioneurotic edema, initial encounter T78.3XXA

ICD-10 code T78.3XXA for Angioneurotic edema, initial encounter is a medical classification as listed by WHO under the range - Injury, poisoning and certain other consequences of external causes .

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Official Long Descriptor

Angioneurotic edema, initial encounter

T78.3

Excludes1: serum urticaria (T80.6-)
urticaria (L50.-)

T78

Excludes2: complications of surgical and medical care NEC (T80-T88)

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Get crucial instructions for accurate ICD-10-CM T78.3XXA coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
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Can you please explain to me why certain T codes requires an adverse effect as a primary diagnoses? If patient has a diagnoses of T78.01XA or T78.01XD does this require a different primary diagnoses?... [ Read More ]
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