Q11.2 — Microphthalmos
Is Q11.2 billable?
Yes — Q11.2 is billable for FY2027. Q11.2 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q11.2 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Q11.2 at a glance
| Code | Q11.2 |
|---|---|
| Description | Microphthalmos |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does Q11.2 group to?
Q11.2 sits in MDC 02 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.
- 124Other Disorders of the Eye with MCC or Thrombolytic Agentmedical
- 125Other Disorders of the Eye without MCCmedical
How is Q11.2 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Q11.2. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Cryptophthalmos
- Microphthalmos, microphthalmia (congenital)
- Dysplasia › eye
- Hypoplasia, hypoplastic › eye
- Rudimentary › eye (congenital)
Excludes1 — never code together
The conditions below can never be reported together with Q11.2 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- cryptophthalmos syndrome (Q87.0)
Inclusion terms
Alternative wording in documentation that is classified to Q11.2.
- Cryptophthalmos NOS
- Dysplasia of eye
- Hypoplasia of eye
- Rudimentary eye
Excludes2 — not included here — inherited from Chapter 17
The conditions below are not part of Q11.2, but a patient may have both at the same time. When documentation supports it, Q11.2 and the excluded code may both be reported.
- inborn errors of metabolism (E70-E88)
Excludes2 — not included here — inherited from Q10-Q18
The conditions below are not part of Q11.2, but a patient may have both at the same time. When documentation supports it, Q11.2 and the excluded code may both be reported.
- cleft lip and cleft palate (Q35-Q37)
- congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)
- congenital malformation of larynx (Q31.-)
- congenital malformation of lip NEC (Q38.0)
- congenital malformation of nose (Q30.-)
- congenital malformation of parathyroid gland (Q89.2)
- congenital malformation of thyroid gland (Q89.2)
How long has Q11.2 existed?
Q11.2 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.
Which codes are confused with Q11.2?
ICD-10-CM declares these codes mutually exclusive with Q11.2 — exactly one of each pair can be correct for a given encounter.