ICD-10-CM > F01-F99 > F40-F48 > F40 > F40.2 > F40.24 F40.24 Situational type phobia Non-Billable/Non-Specific Codes F40.240ClaustrophobiaF40.241AcrophobiaF40.242Fear of bridgesF40.243Fear of flyingF40.248Other situational type phobia