Alphabetic Index FY2027

H40.62

Glaucoma secondary to drugs, left eye

FY2027Chapter 7: Diseases of the eye and adnexa/H40–H42 Glaucoma

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

H40.62 is a non-billable ICD-10-CM code header for glaucoma secondary to drugs, left eye. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. A 7th character is required to complete the code. Its coding notes include a Use additional code instruction, 3 Excludes1 entries and 11 Excludes2 entries.

7th character

Category H40.6 requires a 7th character. H40.62 has only 5 characters, so a placeholder X fills the 6th position.

Assembled code H40.62X0 Open code

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Glaucoma needs the type, the affected eye and the stage. The 7th character 4 (indeterminate) is not the same as 0 (stage not documented).

Guidelines I.C.7.aGlaucoma: type, eye and stageRead the official text

Use additional code

Add the listed code as a secondary code, if known.

Inherited from H40.6 Glaucoma secondary to drugs
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from H40 Glaucoma
  • absolute glaucoma (H44.51-)
  • congenital glaucoma (Q15.0)
  • traumatic glaucoma due to birth injury (P15.3)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (11 notes)
Inherited from Chapter 7 Diseases of the eye and adnexa
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 7 Diseases of the eye and adnexa
  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

7th-character codes under H40.62 5