Supplemental Table.

ICD-9 and ICD-10 diagnosis and procedure codes included in the psychiatric and substance use disorder composites

Mental health condition	ICD-9	ICD-10
Anxiety	293.84, 300.0–300.89, 306.4, 306.8, 307.2, 307.59, 307.81, 308.0, 308.3, 308.9, 309.24, 309.28, 309.4 309.81-309.90, V61.9, V62.89	F06.4, F40.01, F40.10, F40.231, F40.240, F40.243, F40.248, F40.298, F40.8, F40.9, F41.0, F41.1, F41.9, F42.0, F42.2, F42.9, F43.0, F43.1, F43.22, F43.29, F43.8, F43.9, F44.5, F44.9, F45.21, F45.22, F45.41, F45.8, F68.1, F95.0, R46.89
Depression	296.2–296.99, 300.4, 309, 309.1, 301.12, 309.24, 309.28, 309.29, 309.4, 311	F32.0–F32.9, F33, F33.1, F33.2, F33.4, F33.41, F33.42, F33.9, F34.1, F41.8, F43.2, F43.21, F43.23, F43.25, F43.29, F45.89
Substance use	291.9, 292, 292.85, 292.9, 303.03, 303.9, 303.93, 304.0–304.9, 305, 305.01–305.03, 305.1–305.93	F10.10–F10.99, F11.1–F11.9, F12.1–F12.9, F13.1, F13.282, F14.1–F14.9, F15.2–F15.9, F17.2–F17.29, F18.1, F19.1–F19.9, F55.8
Bipolar	293.83, 296.01–296.99	F31.3–F31.9, F34.81, F39
Psychosis	295.7, 295.9, 297, 297.1, 297.9, 298.9	F20.9, F22, F23, F25.0, F25.8, F29
Other	307.1, 307.5–307.59	F50.0–F50.9, F60.3

ICD-9, International Classification of Diseases, Ninth Revision; ICD-10, International Classification of Diseases, Tenth Revision.

Pluym et al. Emergency department use among postpartum women with mental health disorders. AJOG MFM 2021.