366.9 CATARACT NOS


Code Information

Diagnosis Code: 366.9

Short Description: Cataract NOS

Long Description: Unspecified cataract

Code Classification:

  • Diseases of the sense organs (360–389)
    • Disorders of the eye and adnexa (360-379)
      • 366 Cataract
        • 366.9 Cataract NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 366.9 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Cataract (anterior cortical) (anterior polar) (black) (capsular) (central) (cortical) (hypermature) (immature) (incipient) (mature)� 366.9
    • anterior
      • and posterior axial embryonal 743.33
      • pyramidal 743.31
      • subcapsular polar
        • infantile, juvenile, or presenile 366.01
        • senile 366.13
    • associated with
      • calcinosis 275.40 [366.42]
      • craniofacial dysostosis 756.0 [366.44]
      • galactosemia 271.1 [366.44]
      • hypoparathyroidism 252.1 [366.42]
      • myotonic disorders 359.21 [366.43]
      • neovascularization 366.33
    • blue dot 743.39
    • cerulean 743.39
    • complicated NEC 366.30
    • congenital 743.30
      • capsular or subcapsular 743.31
      • cortical 743.32
      • nuclear 743.33
      • specified type NEC 743.39
      • total or subtotal 743.34
      • zonular 743.32
    • coronary (congenital) 743.39
      • acquired 366.12
    • cupuliform 366.14
    • diabetic 250.5 [366.41]
      • due to secondary diabetes 249.5 [366.41]
    • drug-induced 366.45
    • due to
      • chalcosis 360.24 [366.34]
      • chronic choroiditis (see also Choroiditis) 363.20 [366.32]
      • degenerative myopia 360.21 [366.34]
      • glaucoma (see also Glaucoma) 365.9 [366.31]
      • infection, intraocular NEC 366.32
      • inflammatory ocular disorder NEC 366.32
      • iridocyclitis, chronic 364.10 [366.33]
      • pigmentary retinal dystrophy 362.74 [366.34]
      • radiation 366.46
    • electric 366.46
    • glassblowers' 366.46
    • heat ray 366.46
    • heterochromic 366.33
    • in eye disease NEC 366.30
    • infantile (see also Cataract, juvenile) 366.00
    • intumescent 366.12
    • irradiational 366.46
    • juvenile 366.00
      • anterior subcapsular polar 366.01
      • combined forms 366.09
      • cortical 366.03
      • lamellar 366.03
      • nuclear 366.04
      • posterior subcapsular polar 366.02
      • specified NEC 366.09
      • zonular 366.03
    • lamellar 743.32
      • infantile juvenile, or presenile 366.03
    • morgagnian 366.18
    • myotonic 359.21 [366.43]
    • myxedema 244.9 [366.44]
    • nuclear 366.16
    • posterior, polar (capsular) 743.31
      • infantile, juvenile, or presenile 366.02
      • senile 366.14
    • presenile (see also Cataract, juvenile) 366.00
    • punctate
      • acquired 366.12
      • congenital 743.39
    • secondary (membrane) 366.50
      • obscuring vision 366.53
      • specified type, not obscuring vision 366.52
    • senile 366.10
      • anterior subcapsular polar 366.13
      • combined forms 366.19
      • cortical 366.15
      • hypermature 366.18
      • immature 366.12
      • incipient 366.12
      • mature 366.17
      • nuclear 366.16
      • posterior subcapsular polar 366.14
      • specified NEC 366.19
      • total or subtotal 366.17
    • snowflake 250.5 [366.41]
      • due to secondary diabetes 249.5 [366.41]
    • specified NEC 366.8
    • subtotal (senile) 366.17
      • congenital 743.34
    • sunflower 360.24 [366.34]
    • tetanic NEC 252.1 [366.42]
    • total (mature) (senile) 366.17
      • congenital 743.34
      • localized 366.21
      • traumatic 366.22
    • toxic 366.45
    • traumatic 366.20
      • partially resolved 366.23
      • total 366.22
    • zonular (perinuclear) 743.32
      • infantile, juvenile, or presenile 366.03
  • Degeneration, degenerative
    • lens 366.9
      • infantile, juvenile, or presenile 366.00
      • senile 366.10
  • Intumescent, lens (eye) NEC 366.9
    • senile 366.12
  • Opacity, opacities
    • lens (see also Cataract) 366.9

Crosswalk Information

The code 366.9 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
366.9 Right Arrow H26.9 Unspecified cataract
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
366.00 Nonsenile cataract, unspecified
366.01 Anterior subcapsular polar cataract
366.02 Posterior subcapsular polar cataract
366.03 Cortical, lamellar, or zonular cataract
366.04 Nuclear cataract
366.09 Other and combined forms of nonsenile cataract
366.10 Senile cataract, unspecified
366.11 Pseudoexfoliation of lens capsule
366.12 Incipient senile cataract
366.13 Anterior subcapsular polar senile cataract
366.14 Posterior subcapsular polar senile cataract
366.15 Cortical senile cataract
366.16 Senile nuclear sclerosis
366.17 Total or mature cataract
366.18 Hypermature cataract
366.19 Other and combined forms of senile cataract
366.20 Traumatic cataract, unspecified
366.21 Localized traumatic opacities
366.22 Total traumatic cataract
366.23 Partially resolved traumatic cataract
366.30 Cataracta complicata, unspecified
366.31 Glaucomatous flecks (subcapsular)
366.32 Cataract in inflammatory ocular disorders
366.33 Cataract with neovascularization
366.34 Cataract in degenerative ocular disorders
366.41 Diabetic cataract
366.42 Tetanic cataract
366.43 Myotonic cataract
366.44 Cataract associated with other syndromes
366.45 Toxic cataract
366.46 Cataract associated with radiation and other physical influences
366.50 After-cataract, unspecified
366.51 Soemmering's ring
366.52 Other after-cataract, not obscuring vision
366.53 After-cataract, obscuring vision
366.8 Other cataract


This page was last updated on: 10/1/2014