H42

Glaucoma in diseases classified elsewhere

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

RxHCC V08

RXHCC244

Other Non-Acute Glaucoma

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · H42
Excludes 1

glaucoma (in) onchocerciasis (B73.02) glaucoma (in) syphilis (A52.71) glaucoma (in) tuberculous (A18.59) neovascular secondary angle closure glaucoma (H40.84-)

Code first

underlying condition, such as: amyloidosis (E85.-) aniridia (Q13.1) glaucoma (in) diabetes mellitus (E08.39, E09.39, E10.39, E11.39, E13.39) Lowe's syndrome (E72.03) Rieger anomaly (Q13.81) specified metabolic disorder (E70-E88)

Inherited from chapter 7Diseases of the eye and adnexa
Excludes 2

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)

Note

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

Official Guidelines for H42

FY 2026 ›