364 Disorders of iris and ciliary body (364.00-364.9) ICD-9-CM
The 364.00-364.9 block classified 364 disorders of iris and ciliary body with 40 legacy diagnosis codes. None remain valid for claim submission; each code below links to its reference page with the official ICD-10-CM replacement under the CMS General Equivalence Mappings.
Retired Code Set
ICD-9-CM stopped being valid for U.S. claims with dates of service on or after October 1, 2015, when ICD-10-CM replaced it. Use this index for historical lookups and crosswalking; for current coding, start from the ICD-10-CM codes list or the ICD-9 / ICD-10 converter.
Legacy Codes in the 364.00-364.9 Block 40 codes
None of these codes remain valid for claim submission. Each code page shows its ICD-10-CM replacement under the CMS General Equivalence Mappings.
- 364.00 Acute iridocyclitis NOS
- 364.01 Primary iridocyclitis
- 364.02 Recurrent iridocyclitis
- 364.03 Secondry iritis, infect
- 364.04 Second iritis, noninfec
- 364.05 Hypopyon
- 364.10 Chr iridocyclitis NOS
- 364.11 Chr iridocyl in oth dis
- 364.21 Fuch hetrochrom cyclitis
- 364.22 Glaucomatocyclit crises
- 364.23 Lens-induced iridocyclit
- 364.24 Vogt-koyanagi syndrome
- 364.3 Iridocyclitis NOS
- 364.41 Hyphema
- 364.42 Rubeosis iridis
- 364.51 Progressive iris atrophy
- 364.52 Iridoschisis
- 364.53 Pigment iris degenerat
- 364.54 Pupillary margin degen
- 364.55 Miotic cyst pupil margin
- 364.56 Degen chamber angle
- 364.57 Degen ciliary body
- 364.59 Iris atrophy NEC
- 364.60 Idiopathic cysts
- 364.61 Implantation cysts
- 364.62 Exud cyst iris/ant chamb
- 364.63 Primary cyst pars plana
- 364.64 Exudat cyst pars plana
- 364.70 Adhesions of iris NOS
- 364.71 Posterior synechiae
- 364.72 Anterior synechiae
- 364.73 Goniosynechiae
- 364.74 Pupillary membranes
- 364.75 Pupillary abnormalities
- 364.76 Iridodialysis
- 364.77 Recession, chamber angle
- 364.81 Floppy iris syndrome
- 364.82 Plateau iris syndrome
- 364.89 Iris/ciliary disord NEC
- 364.9 Iris/ciliary dis NOS
Questions About This Page
Are the 364.00-364.9 codes still billable?
No. Every code in this block became invalid for U.S. claims after September 30, 2015. Each code page linked above shows the ICD-10-CM replacement CMS assigned in the General Equivalence Mappings, and the ICD-9 / ICD-10 converter translates any of them directly.
What did the 364.00-364.9 block classify?
The block classified 364 disorders of iris and ciliary body with 40 codes in the final ICD-9-CM release. It sat under Diseases of the sense organs (360–389) in the legacy hierarchy.
Related References
Source: final CMS ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.
