M99.41 — Connective tissue stenosis of neural canal of cervical region
Is M99.41 billable?
Yes — M99.41 is billable for FY2027. M99.41 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M99.41 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M99.41 at a glance
| Code | M99.41 |
|---|---|
| Description | Connective tissue stenosis of neural canal of cervical region |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M99.41 group to?
M99.41 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 M99.41 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to M99.41. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Stenosis, stenotic › neural canal › connective tissue › cervical region (cicatricial)
- Stenosis, stenotic › neural canal › connective tissue › cervicothoracic (cicatricial)
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M99.41, but a patient may have both at the same time. When documentation supports it, M99.41 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 M99.41 existed?
M99.41 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.
What other codes are in the M99.4 family? (9)
- M99.40Connective tissue stenosis of neural canal of head region
- M99.42Connective tissue stenosis of neural canal of thoracic region
- M99.43Connective tissue stenosis of neural canal of lumbar region
- M99.44Connective tissue stenosis of neural canal of sacral region
- M99.45Connective tissue stenosis of neural canal of pelvic region
- M99.46Connective tissue stenosis of neural canal of lower extremity
- M99.47Connective tissue stenosis of neural canal of upper extremity
- M99.48Connective tissue stenosis of neural canal of rib cage
- M99.49Connective tissue stenosis of neural canal of abdomen and other regions