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ICD-10-CM 2027

ICD-10 code for weeks of gestation pregnancy

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Pregnancy (single) (uterine) › weeks of gestation”. Page updated September 29, 2026.

About coding weeks of gestation pregnancy

The official ICD-10-CM index doesn't give a single default code for weeks of gestation pregnancy; the code depends on the details below.

More specific weeks of gestation pregnancy codes (official index)

  • 8 weeks Z3A.08 — 8 weeks gestation of pregnancy
  • 9 weeks Z3A.09 — 9 weeks gestation of pregnancy
  • 10 weeks Z3A.10 — 10 weeks gestation of pregnancy
  • 11 weeks Z3A.11 — 11 weeks gestation of pregnancy
  • 12 weeks Z3A.12 — 12 weeks gestation of pregnancy
  • 13 weeks Z3A.13 — 13 weeks gestation of pregnancy
  • 14 weeks Z3A.14 — 14 weeks gestation of pregnancy
  • 15 weeks Z3A.15 — 15 weeks gestation of pregnancy
  • 16 weeks Z3A.16 — 16 weeks gestation of pregnancy
  • 17 weeks Z3A.17 — 17 weeks gestation of pregnancy
  • 18 weeks Z3A.18 — 18 weeks gestation of pregnancy
  • 19 weeks Z3A.19 — 19 weeks gestation of pregnancy
  • 20 weeks Z3A.20 — 20 weeks gestation of pregnancy
  • 21 weeks Z3A.21 — 21 weeks gestation of pregnancy
  • 22 weeks Z3A.22 — 22 weeks gestation of pregnancy
  • 23 weeks Z3A.23 — 23 weeks gestation of pregnancy
  • 24 weeks Z3A.24 — 24 weeks gestation of pregnancy
  • 25 weeks Z3A.25 — 25 weeks gestation of pregnancy
  • 26 weeks Z3A.26 — 26 weeks gestation of pregnancy
  • 27 weeks Z3A.27 — 27 weeks gestation of pregnancy
  • 28 weeks Z3A.28 — 28 weeks gestation of pregnancy
  • 29 weeks Z3A.29 — 29 weeks gestation of pregnancy
  • 30 weeks Z3A.30 — 30 weeks gestation of pregnancy
  • 31 weeks Z3A.31 — 31 weeks gestation of pregnancy
  • 32 weeks Z3A.32 — 32 weeks gestation of pregnancy
  • 33 weeks Z3A.33 — 33 weeks gestation of pregnancy
  • 34 weeks Z3A.34 — 34 weeks gestation of pregnancy
  • 35 weeks Z3A.35 — 35 weeks gestation of pregnancy
  • 36 weeks Z3A.36 — 36 weeks gestation of pregnancy
  • 37 weeks Z3A.37 — 37 weeks gestation of pregnancy
  • 38 weeks Z3A.38 — 38 weeks gestation of pregnancy
  • 39 weeks Z3A.39 — 39 weeks gestation of pregnancy
  • 40 weeks Z3A.40 — 40 weeks gestation of pregnancy
  • 41 weeks Z3A.41 — 41 weeks gestation of pregnancy
  • 42 weeks Z3A.42 — 42 weeks gestation of pregnancy
  • greater than 42 weeks Z3A.49 — Greater than 42 weeks gestation of pregnancy
  • less than 8 weeks Z3A.01 — Less than 8 weeks gestation of pregnancy
  • not specified Z3A.00 — Weeks of gestation of pregnancy not specified

Common questions about weeks of gestation pregnancy ICD-10 codes

What is the ICD-10 code for 8 weeks weeks of gestation pregnancy?

Z3A.08 — 8 weeks gestation of pregnancy.

What is the ICD-10 code for 9 weeks weeks of gestation pregnancy?

Z3A.09 — 9 weeks gestation of pregnancy.

What is the ICD-10 code for 10 weeks weeks of gestation pregnancy?

Z3A.10 — 10 weeks gestation of pregnancy.

What is the ICD-10 code for 11 weeks weeks of gestation pregnancy?

Z3A.11 — 11 weeks gestation of pregnancy.

What is the ICD-10 code for 12 weeks weeks of gestation pregnancy?

Z3A.12 — 12 weeks gestation of pregnancy.

What is the ICD-10 code for 13 weeks weeks of gestation pregnancy?

Z3A.13 — 13 weeks gestation of pregnancy.

What is the ICD-10 code for 14 weeks weeks of gestation pregnancy?

Z3A.14 — 14 weeks gestation of pregnancy.