What is diagnosis code 296.34?

296.34 is the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code for "Puerperal thrombophlebitis and thromboembolism". This code is used to describe a condition in which a pregnant or recently pregnant woman experiences thrombophlebitis (inflammation of a vein) and/or thromboembolism (a blockage of a blood vessel by a blood clot) in the puerperium, which is the period of time following childbirth.