M45.A

Non-billable

Non-radiographic axial spondyloarthritis

Non-radiographic axial spondyloarthritis

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

M45-M49

Parent Code

M45

Child Codes

10

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

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

Excludes 2

Conditions not included here, but the patient may have both

  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • Behçet's disease (M35.2)

Child Codes (10)

Also Known As / Clinical Terms

Frequently Asked Questions

What is ICD-10 code M45.A?

ICD-10-CM code M45.A represents "Non-radiographic axial spondyloarthritis". It is a non-billable header code — use a more specific child code for billing purposes.

Is M45.A a billable code?

No, M45.A is a non-billable header code. You need to use one of its more specific child codes for billing. There are 10 child codes under M45.A.

What chapter is M45.A in?

M45.A is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).

What codes cannot be used with M45.A?

M45.A has Excludes1 notes indicating codes that cannot be used together with it, including: arthropathy in Reiter's disease (M02.3-); juvenile (ankylosing) spondylitis (M08.1).

What are the subcategories under M45.A?

M45.A has 10 child codes, including: M45.A0 (Non-radiographic axial spondyloarthritis unsp site in spin), M45.A1 (Non-radiographic axial spondyloarthritis occipt-atlan-ax rgn), M45.A2 (Non-radiographic axial spondyloarthritis of cervical region), M45.A3 (Non-radiographic axial spondyloarthritis of cervicothor rgn), and 6 more.

What are the UMLS CUIs for M45.A?

M45.A is linked to 1 UMLS Concept Unique Identifier: C3889038. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.