ICD-10-CM Alphabetic Index · FY 2027 90 Entries

Cataract in the ICD-10-CM Index ICD-10-CM

The main term Cataract (cortical) (immature) (incipient) carries 90 index entries pointing to 40 ICD-10-CM codes. The default entry is H26.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2027 index fileEffective Oct 1, 2026 – Sep 30, 2027
90
Index Entries
40
Codes Referenced
H26.9
Default Code
C
Letter
90 of 90 shown
ICD-10-CM

Index Entries Under Cataract 90 entries · 40 codes

Cataract (cortical) (immature) (incipient) H26.9
with
neovascularization see Cataract, complicated
anterior
and posterior axial embryonal Q12.0
pyramidal Q12.0
associated with
galactosemia E74.21 [H28]
myotonic disorders G71.19 [H28]
blue Q12.0
central Q12.0
cerulean Q12.0
complicated H26.20
with
neovascularization H26.21 Non-billable
ocular disorder H26.22 Non-billable
glaucomatous flecks H26.23 Non-billable
congenital Q12.0
coraliform Q12.0
coronary Q12.0
crystalline Q12.0
diabetic see Diabetes, cataract
drug-induced H26.3 Non-billable
due to
ocular disorder see Cataract, complicated
radiation H26.8
electric H26.8
extraction status Z98.4 Non-billable
glass-blower's H26.8
heat ray H26.8
heterochromic see Cataract, complicated
hypermature see Cataract, senile, morgagnian type
in (due to)
chronic iridocyclitis see Cataract, complicated
diabetes see Diabetes, cataract
endocrine disease E34.9 [H28]
eye disease see Cataract, complicated
hypoparathyroidism E20.9 [H28]
malnutrition-dehydration E46 [H28]
metabolic disease E88.9 [H28]
myotonic disorders G71.19 [H28]
nutritional disease E63.9 [H28]
infantile see Cataract, presenile
irradiational see Cataract, specified NEC
juvenile see Cataract, presenile
malnutrition-dehydration E46 [H28]
morgagnian see Cataract, senile, morgagnian type
myotonic G71.19 [H28]
myxedema E03.9 [H28]
nuclear
embryonal Q12.0
sclerosis see Cataract, senile, nuclear
presenile H26.00 Non-billable
combined forms H26.06 Non-billable
cortical H26.01 Non-billable
lamellar see Cataract, presenile, cortical
nuclear H26.03 Non-billable
specified NEC H26.09
subcapsular polar (anterior) H26.04 Non-billable
posterior H26.05 Non-billable
zonular see Cataract, presenile, cortical
secondary H26.40
Soemmering's ring H26.41 Non-billable
specified NEC H26.49 Non-billable
to eye disease see Cataract, complicated
senile H25.9
brunescens see Cataract, senile, nuclear
combined forms H25.81 Non-billable
coronary see Cataract, senile, incipient
cortical H25.01 Non-billable
hypermature see Cataract, senile, morgagnian type
incipient (mature) (total) H25.09 Non-billable
cortical see Cataract, senile, cortical
subcapsular see Cataract, senile, subcapsular
morgagnian type (hypermature) H25.2 Non-billable
nuclear (sclerosis) H25.1 Non-billable
polar subcapsular (anterior) (posterior) see Cataract, senile, incipient
punctate see Cataract, senile, incipient
specified NEC H25.89
subcapsular polar (anterior) H25.03 Non-billable
posterior H25.04 Non-billable
snowflake see Diabetes, cataract
specified NEC H26.8
toxic see Cataract, drug-induced
traumatic H26.10 Non-billable
localized H26.11 Non-billable
partially resolved H26.12 Non-billable
total H26.13 Non-billable
zonular (perinuclear) Q12.0

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Related Index Terms

Source: Centers for Medicare & Medicaid Services, FY 2027 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2026 through September 30, 2027.