M47.819 — Spondylosis without myelopathy or radiculopathy, site unspecified

BillableUnspecified

Is M47.819 billable?

Yes, but M47.819 is an unspecified code. M47.819 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, M47.819 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting M47.819 — the more specific alternatives are listed below.

More specific alternatives

M47.819 at a glance

Code	M47.819
Description	Spondylosis without myelopathy or radiculopathy, site unspecified
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does M47.819 group to?

M47.819 sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

551Medical Back Problems with MCCmedical
552Medical Back Problems without MCCmedical

How is M47.819 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to M47.819. They show the wording a clinician may have documented, which often differs from the Tabular description.

Arthritis, arthritic › facet joint (acute) (chronic) (nonpyogenic) (subacute)
Arthropathy › facet joint
Hypertrophy, hypertrophic › facet joint
Spondylosis › without myelopathy or radiculopathy
Syndrome › facet joint
Disease, diseased › joint › facet joint
Spondylosis › specified NEC › facet joint

Excludes2 — not included here — inherited from Chapter 13

The conditions below are not part of M47.819, but a patient may have both at the same time. When documentation supports it, M47.819 and the excluded code may both be reported.

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)

How long has M47.819 existed?

M47.819 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.