Acute nonspecific idiopathic pericarditis

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

FY2007 Added to the draft code set draft Acute nonspecific idiopathic pericarditis

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from I30 Acute pericarditis

Excludes1 - never coded here

Dressler's syndrome (I24.1)
rheumatic pericarditis (acute) (I01.0)
viral pericarditis due to Coxsackie virus (B33.23)

Includes

acute mediastinopericarditis
acute myopericarditis
acute pericardial effusion
acute pleuropericarditis
acute pneumopericarditis

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Myopericarditis
Hydropericardium
Dilated, dilation
Dropsy, dropsical
Hydropericarditis
Pneumopericardium
Cardiopericarditis
Pleuropericarditis
Pneumopericarditis
Fistula > pericardium
Hydrops > pericardium
Hydropneumopericardium
Mediastinopericarditis
Pneumohydropericardium
Hydropneumopericarditis
Dilatation > pericardium
Calcification > pericardium
Dropsy, dropsical > pericardium
Deformity > pericardium > acquired
Effusion > pericardium, pericardial > acute
Pericarditis > adhesive or adherent > acute
Inflammation, inflamed, inflammatory > pericardium
Pericarditis > idiopathic
Pericarditis > acute > nonspecific

Codes in the same group

Code	Description	Status
I30.1	Infective pericarditis	Valid
I30.8	Other forms of acute pericarditis	Valid
I30.9	Acute pericarditis, unspecified	Valid