ICD-10-CM › Q00-QA1 › Q38-Q45 › Q45 Other congenital malformations of... › Q45.8

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

Valid FY2016 onwards.

What has happened to this code

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 Q45 Other congenital malformations of digestive system

Excludes2 - not included here

• congenital diaphragmatic hernia (Q79.0)
• congenital hiatus hernia (Q40.1)

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.

• Lump
• Cleft
• Stump
• Patent
• Window
• Aplasia
• Missing
• Aberrant
• Extrophy
• Immature
• Patulous
• Retained
• Amputation
• Impervious
• Nonclosure
• Nondescent
• Transposed
• Imperforate
• Rudimentary
• Undescended
• Reduplication
• Transposition
• Disarticulation
• Underdevelopment
• Imperfect > fusion
• Loss > organ or part
• Pervious, congenital
• Dislocation > partial
• Open, opening > false
• Termination > anomalous
• Dislocation > incomplete
• Heterotopia, heterotopic
• Subluxation > congenital
• Absence > toe > with foot
• Fenestration, fenestrated
• Prematurity NEC > extreme
• Undeveloped, undevelopment
• Absence > congenital > lumen
• Birth > immature > extremely
• Immature > birth > extremely

Showing 40 of 94 index phrases.

Codes in the same group

Code	Description	Status
Q45.0	Agenesis, aplasia and hypoplasia of pancreas	Valid
Q45.1	Annular pancreas	Valid
Q45.2	Congenital pancreatic cyst	Valid
Q45.3	Other congenital malformations of pancreas and pancreatic duct	Valid
Q45.9	Congenital malformation of digestive system, unspecified	Valid