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Q11 ICD-10-CA category: Anophthalmos, microphthalmos and macrophthalmos

Q11 isn’t a code on its own. Choose one of the 4 codes beneath it, the one the documentation supports.

Official description

Q11

Anophthalmos, microphthalmos and macrophthalmos

ICD-10-CA · Canada

Codes in Q11

Q11 isn’t a code on its own. Open the code that matches what the note documents.

Q11.0Cystic eyeballQ11.1Other anophthalmosQ11.2MicrophthalmosQ11.3Macrophthalmos

Notes for Q11

As CIHI prints them, with any note Q11 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • Cleft lip and cleft palate (Q35-Q37)congenital malformation of:• cervical spine (Q05.0,Q05.5,Q67.5,Q76.0-Q76.4)• larynx (Q31.-)• lip NEC (Q38.0)• nose (Q30.-)• parathyroid gland (Q89.2)• thyroid gland (Q89.2)From Q10-Q18 Congenital malformations of eye, ear, face and neck
  • Inborn errors of metabolism (E70-E90)From Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

Where Q11 sits

  1. 1ChapterChapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  2. 2Block Q10-Q18Congenital malformations of eye, ear, face and neck
  3. 3Category Q11Anophthalmos, microphthalmos and macrophthalmos

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See Q11 in the CIHI source

Frequently asked questions

Is Q11 a valid ICD-10-CA code?

No. Q11 (Anophthalmos, microphthalmos and macrophthalmos) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 4 codes; record the one the documentation supports.

Where is Q11 in ICD-10-CA?

Q11 sits under Q10-Q18 Congenital malformations of eye, ear, face and neck, within Chapter 17: Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).

What coding notes apply to Q11?

ICD-10-CA lists Excludes notes for Q11, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside Q11

Q10Congenital malformations of eyelid, lacrimal apparatus and orbitQ12Congenital lens malformationsQ13Congenital malformations of anterior segment of eyeQ14Congenital malformations of posterior segment of eyeQ15Other congenital malformations of eyeQ16Congenital malformations of ear causing impairment of hearingQ17Other congenital malformations of earQ18Other congenital malformations of face and neck