ICD-10-CM › Q00-QA1 › Q65-Q79 › Q79 Congenital malformations of... › Q79.4

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 Q79 Congenital malformations of musculoskeletal system, not elsewhere classified

Excludes2 - not included here

• congenital (sternomastoid) torticollis (Q68.0)

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.

• Deficit
• Avitaminosis
• Hypovitaminosis
• Vitamin deficiency
• Leukoencephalopathy
• Deprivation > vitamins
• Deficiency, deficient > factor
• Defect, defective > coagulation
• Deficiency, deficient > clotting
• Disturbance > absorption > vitamin
• Falling, falls > any organ or part
• Encephalopathy > in > lack of vitamin
• Deficiency, deficient > clotting factor NEC
• Deficiency, deficient > coagulation NOS > clotting factor NEC
• Prune belly
• Syndrome > prune belly
• Syndrome > Eagle-Barrett
• Aplasia > abdominal muscle syndrome
• Syndrome > abdominal > muscle deficiency
• Prolapse, prolapsed > bladder > congenital
• Abdomen, abdominal > muscle deficiency syndrome
• Deficiency, deficient > abdominal muscle syndrome

Codes in the same group

Code	Description	Status
Q79.0	Congenital diaphragmatic hernia	Valid
Q79.1	Other congenital malformations of diaphragm	Valid
Q79.2	Exomphalos	Valid
Q79.3	Gastroschisis	Valid
Q79.5	Other congenital malformations of abdominal wall	Not billable
Q79.6	Ehlers-Danlos syndromes	Not billable
Q79.8	Other congenital malformations of musculoskeletal system	Valid
Q79.9	Congenital malformation of musculoskeletal system, unspecified	Valid