Non-radiographic axial spondyloarthritis of lumbar region

ValidICD-10-CM diagnosis code.

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

Valid FY2022 onwards.

What has happened to this code

Every change the publisher made, from 2022 to now.

FY2022 Added to the code set Non-radiographic axial spondyloarthritis of lumbar region

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 M45 Ankylosing spondylitis

Excludes1 - never coded here

arthropathy in Reiter's disease (M02.3-)
juvenile (ankylosing) spondylitis (M08.1)

Excludes2 - not included here

Behçet's disease (M35.2)

Also known as

Rheumatoid arthritis of spine

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.

Spondyloarthritis > axial > non-radiographic > lumbar

Codes in the same group

Code	Description	Status
M45.A0	Non-radiographic axial spondyloarthritis of unspecified sites in spine	Valid
M45.A1	Non-radiographic axial spondyloarthritis of occipito-atlanto-axial region	Valid
M45.A2	Non-radiographic axial spondyloarthritis of cervical region	Valid
M45.A3	Non-radiographic axial spondyloarthritis of cervicothoracic region	Valid
M45.A4	Non-radiographic axial spondyloarthritis of thoracic region	Valid
M45.A5	Non-radiographic axial spondyloarthritis of thoracolumbar region	Valid
M45.A7	Non-radiographic axial spondyloarthritis of lumbosacral region	Valid
M45.A8	Non-radiographic axial spondyloarthritis of sacral and sacrococcygeal region	Valid
M45.AB	Non-radiographic axial spondyloarthritis of multiple sites in spine	Valid