DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

H00-H59 · FY2027

Chapter 7 Diseases of the eye and adnexa (H00-H59)

Chapter 7 holds 40 categories in 12 blocks, with 2,677 billable codes in FY2027; none of them is new this year.

Blocks
12
Categories
40
Billable codes
2,677
New FY2027
0
Instructions
12

Blocks and categories

Chapter instructions

Notes

  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Excludes2

  • certain conditions originating in the perinatal period (P04-P96) P04 P96
  • certain infectious and parasitic diseases (A00-B99) A00 B99
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) O00 O9A
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) Q00 Q99
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-) E09.3 E10.3 E11.3 E13.3
  • endocrine, nutritional and metabolic diseases (E00-E88) E00 E88
  • injury (trauma) of eye and orbit (S05.-) S05
  • injury, poisoning and certain other consequences of external causes (S00-T88) S00 T88
  • neoplasms (C00-D49) C00 D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) R00 R94
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71) A50.01 A50.3 A51.43 A52.71