a definitive diagnosis has not been established by the provider. I.C.18.b • If the patient has a symptom not routinely found with the final diagnosis, code first the defini tive diagnosis, followed by the code for the symptom • Signs or symptoms that are routinely found with a disease process should not be assi gned as additional codes 32 Z3A.15 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2024 edition of ICD-10-CM Z3A.15 became effective on October 1, 2023. This is the American ICD-10-CM version of Z3A.15 - other international versions of ICD-10 Z3A.15 may differ. ICD-10-CM Coding Rules. Threatened abortion. 2015. Non-Billable Code. There are 3 ICD-9-CM codes below 640.0 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim. ICD-9-CM Volume 2 Index entries containing back-references to 640.0: Abortion (complete) (incomplete) (inevitable) (with retained products of conception) 637.9. The current mechanisms to bill for obstetric care include billing each office visit as an appropriate Evaluation & Management (E/M) service and billing the delivery CPT codes (59409, 59514, 59612, 59620), or utilizing the global maternity codes. After the initial postpartum period (no later than 12 weeks after birth) care should not be covered It is characterized by vaginal bleeding, lower back discomfort, or midline pelvic cramping and a risk factor for miscarriage. 640 Hemorrhage in early pregnancy. 640.0 Threatened abortion. 640.00 Threatened abortion, unspecified as to episode of care or not applicable convert 640.00 to ICD-10-CM. mgpD6i.

miscarriage icd 9 code