Z3A.00

Billable

Weeks of gestation of pregnancy not specified

Weeks of gestation of pregnancy not specified

Cross-references

Coding Notes

Code First

The underlying condition must be sequenced before this code

Related Codes(3)

How Z3A.00 differs from sibling codes

All children of Z3A.0 share the same parent. The wording below is what mechanically separates each sibling from Z3A.00.

Also Known As / Clinical Terms(289)

SNOMED CT

Clinical Terms

  • Fetopelvic disproportion
  • Fetal disorder due to traumatic injury of mother
  • Fetal disorder due to maternal overweight
  • Foetal disorder due to nutritional disorder of mother
  • Foetal haemophilia
  • Fetal disorder due to nutritional disorder of mother
  • Fetal disorder due to maternal autoimmune disease
  • Observation of contents of cervix
  • Foetal disorder due to and following sampling of chorionic villus
  • Foetal disorder due to and following operative procedure on foetus
  • Fetal disorder due to anomaly of placenta
  • Foetal disorder due to chronic maternal respiratory disease
  • Fetal disorder due to abnormal maternal blood chemistry
  • Fetal haemoglobinopathy
  • Fetal disorder due to chronic cardiovascular disease in mother
  • Foetal disorder due to abnormal maternal blood chemistry
  • Post dural puncture headache
  • Spinal and epidural anesthesia-induced headache during pregnancy
  • Disproportion between foetus and pelvis due to foetal neoplasm
  • Gestation 14 - 20 weeks
  • Foetal disorder due to and following amniocentesis
  • Embryofetopathy caused by infection
  • Disproportion between fetus and pelvis
  • Lower extremity of foetus palpable vaginally
  • Neoplasm of uncertain behavior of sacrum
  • Foetal disorder due to maternal respiratory disease
  • Premature uterine contraction
  • Foetal sacral teratoma
  • Foetal acitretin syndrome
  • Fetal disorder due to maternal disorder of urinary tract
  • Fetal disorder due to maternal kidney disease
  • Membrane at cervical os
  • Gestation 9- 13 weeks
  • Foetal disorder due to traumatic injury of mother
  • Neoplasm of uncertain behaviour of spine
  • Restless leg syndrome in pregnancy
  • Foetal disorder due to chronic maternal cardiovascular disease
  • Hypercapnia
  • Fetal disorder due to maternal obesity
  • Early stage of pregnancy
  • Restless legs syndrome
  • Fetal disorder due to maternal respiratory disease
  • Metabolic disorder of fetus
  • Neoplasm of uncertain behaviour of vertebral column
  • Sacrococcygeal teratoma
  • Sleep related movement disorder
  • Post-dural puncture headache
  • Infectious embryofetopathy
  • Pregnancy with uncertain dates
  • Foetal neoplasm
  • Foetal disorder due to overweight mother
  • Lower extremity of fetus palpable vaginally
  • Restless legs
  • Hypercapnemia
  • Neoplasm of uncertain behavior of spine
  • Acitretin embryofoetopathy
  • Foetopelvic disproportion
  • Fetal disorder due to maternal pre-eclampsia
  • Finding of contents of cervix
  • Fetal hypercapnia
  • Fetal disorder due to maternal obesity with adult body mass index 30 or greater but less than 40
  • Disproportion between fetus and pelvis due to fetal neoplasm
  • Fetal metabolic disorder
  • Neoplasm of uncertain behaviour of sacrococcygeal region
  • PDPH - Post dural puncture headache
  • Foetal disorder due to maternal periodontal disease
  • Fetal disorder due to chronic maternal cardiovascular disease
  • Hypercapnaemia
  • Fetal disorder due to obesity of mother
  • Fetal neoplasm
  • Acitretin embryopathy
  • Foetal disorder due to abnormal blood chemistry in mother
  • Lower limb of fetus palpable vaginally
  • Fetal disorder due to and following fetal blood sampling
  • Contents of os cervix
  • Embryopathy caused by acitretin
  • Hypercarbia
  • Fetal haemophilia
  • Foetal disorder due to chorangioma of placenta
  • Foetal disorder due to maternal obesity with adult body mass index equal to or greater than 40
  • Conjoined twin pregnancy
  • Foetal effect of chorangioma of placenta
  • Fetal disorder due to chronic maternal respiratory disease
  • Fetal disorder due to and following sampling of chorionic villus
  • Fetal disorder due to maternal nutritional disorder
  • Neoplasm of uncertain behavior of sacrococcygeal region
  • Fetal effect of chorangioma of placenta
  • Fetal disorder due to abnormal blood chemistry in mother
  • Acitretin embryofetopathy
  • Fetal disorder due to and following amniocentesis
  • Fetal disorder due to maternal traumatic injury
  • Pregnancy with implant contraceptive
  • Lower limb of foetus palpable vaginally
  • Fetal disorder due to chorangioma of placenta
  • Foetal disorder due to maternal gestational oedema and proteinuria without hypertension
  • Fetal disorder due to maternal obesity with adult body mass index equal to or greater than 40
  • Scar of gravid uterus non-tender
  • Embryofoetopathy caused by infection
  • Fetal hemoglobinopathy
  • Infectious embryofoetopathy
  • Foetal disorder due to maternal renal disease
  • Foetal disorder due to maternal disorder of urinary tract
  • Fetal disorder due to and following operative procedure on fetus
  • Foetal disorder due to obesity of mother
  • Fetal sacral teratoma
  • Fetal disorder due to maternal gestational oedema and proteinuria without hypertension
  • Foetal hypercapnia
  • Disproportion between foetus and pelvis
  • Foetal disorder due to chronic cardiovascular disease in mother
  • Disproportion between fetus and pelvis due to fetal sacral teratoma
  • Fetal hemophilia
  • Fetal acitretin syndrome
  • Foetal thrombocytopenia
  • Foetal haemoglobinopathy
  • Fetal disorder due to overweight mother
  • Foetal disorder due to maternal obesity
  • Fetal disorder due to maternal hypertension
  • Foetal disorder due to maternal nutritional disorder
  • Willis-Ekbom disease
  • Foetal disorder due to and following operative procedure on mother
  • Neoplasm of uncertain behavior of vertebral column
  • Foetal disorder due to maternal kidney disease
  • Foetal disorder due to maternal traumatic injury
  • Low pressure headache
  • Fetal disorder due to and following operative procedure on mother
  • Fetal disorder due to maternal periodontal disease
  • Spinal and epidural anaesthesia-induced headache during pregnancy
  • Neoplasm of uncertain behaviour of sacrum
  • Foetal disorder due to maternal hypertension
  • Gestation less than 20 weeks
  • Uterine contractions problem
  • Retinoid embryopathy
  • Foetal disorder due to maternal obesity with adult body mass index 30 or greater but less than 40
  • Foetal disorder due to maternal pre-eclampsia
  • Gestation less than 24 weeks
  • Fetal thrombocytopenia
  • Disproportion between foetus and pelvis due to foetal sacral teratoma
  • Foetal disorder due to and following foetal blood sampling
  • Foetal disorder due to maternal overweight
  • Foetal disorder due to maternal autoimmune disease
  • Fetal disorder due to maternal renal disease
  • Gestation <24 weeks
  • Fetal disorder due to maternal gestational edema and proteinuria without hypertension
  • Embryopathy caused by retinoid

Common questions

What is the ICD-10-CM code for Weeks of gestation of pregnancy not specified?

Weeks of gestation of pregnancy not specified is coded as Z3A.00 in ICD-10-CM.

What is ICD-10 code Z3A.00?

Z3A.00 is the ICD-10-CM identifier for Weeks of gestation of pregnancy not specified. It is included in the official 2025 release of ICD-10-CM published by CMS and NCHS.

Is Z3A.00 a billable code?

Yes, Z3A.00 is a billable / specific ICD-10-CM code that can be used to indicate a diagnosis on a medical claim.

What is the parent code of Z3A.00?

Z3A.00 sits under Z3A.0 (Weeks of gestation of pregnancy, unsp or less than 10 weeks) in the ICD-10-CM hierarchy.

What chapter does Z3A.00 belong to?

Z3A.00 is in Chapter 22: Factors Influencing Health Status and Contact With Health Services.

What are the synonyms for Weeks of gestation of pregnancy not specified?

In clinical text, weeks of gestation of pregnancy not specified is also written as: Acitretin embryofetopathy, Acitretin embryofoetopathy, Acitretin embryopathy, Conjoined twin pregnancy, Contents of os cervix, Disproportion between fetus and pelvis, and 138 more. Sourced from SNOMED CT, UMLS Metathesaurus, and clinical-terms enrichment.

Why does Z3A.00 map to multiple SNOMED CT concepts?

ICD-10-CM is a billing classification with broader categories than SNOMED CT’s clinical terminology. Z3A.00 captures the billing-level concept; SNOMED CT splits it into 62 clinical concepts: 1003466007, 1003728008, 1003729000, 1004007000, 1004012004, and 57 more.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.