M26.211 — Malocclusion, Angle's class I
Is M26.211 billable?
Yes — M26.211 is billable for FY2027. M26.211 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M26.211 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M26.211 at a glance
| Code | M26.211 |
|---|---|
| Description | Malocclusion, Angle's class I |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M26.211 group to?
M26.211 sits in MDC Pre and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCCsurgical
- 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CCsurgical
- 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCCsurgical
How is M26.211 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to M26.211. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Neutroclusion
- Malocclusion › Angle's › class I (teeth)
Inclusion terms
Alternative wording in documentation that is classified to M26.211.
- Neutro-occlusion
Excludes1 — never code together — inherited from M26-M27
The conditions below can never be reported together with M26.211 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M26.211, but a patient may have both at the same time. When documentation supports it, M26.211 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 M26.211 existed?
M26.211 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.