O34.218CurrentBillable / specific

Maternal care for other type scar from previous cesarean delivery

Chapters 15 · Inherited instructions

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Excludes 1

supervision of normal pregnancy (Z34.-)

O34 · Inherited instructions

Code first

any associated obstructed labor (O65.5)

Use additional code

code for specific condition

Excludes 2 · 4

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Claims & coverage

Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.

Official coding guidelines → · CMS ↗

MS-DRG · 43.1 · 817, 818, 819, 831, 832, 833

Grouping depends on the complete encounter and CMS grouper logic.

817 · Other Antepartum Diagnoses with O.R. Procedures with MCC
818 · Other Antepartum Diagnoses with O.R. Procedures with CC
819 · Other Antepartum Diagnoses with O.R. Procedures without CC/MCC
831 · Other Antepartum Diagnoses without O.R. Procedures with MCC
832 · Other Antepartum Diagnoses without O.R. Procedures with CC
833 · Other Antepartum Diagnoses without O.R. Procedures without CC/MCC

2026-04-01 – 2026-09-30

CMS · MS-DRG 43.1

Check Medicare coverage ↗

First observed · 2020-10-01

Code history

Latest recorded change · FY2024

ChangedUnchanged

FY2024

Effective from 2023-10-01

Inherited rules changed

Maternal care for other type scar from previous cesarean delivery

Billable diagnosis code

CDC/NCHS · FY2024

All editions (13)

All editions	Effective from	Code history
FY2021	2020-10-01	Added
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	Inherited rules changed
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Code-level instructions

Includes

Mid-transverse T incision

Inherited instructions

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 1

supervision of normal pregnancy (Z34.-)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Note

CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
1st trimester- less than 14 weeks 0 days
2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
3rd trimester- 28 weeks 0 days until delivery

O34 · Maternal care for abnormality of pelvic organs

Includes

the listed conditions as a reason for hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor

Code first

any associated obstructed labor (O65.5)

Use additional code

code for specific condition

Official index references (8)

Cesarean delivery, previous, affecting management of pregnancy (2)

Delivery(childbirth) (labor) (6)

Official conversion history

Historical assignments from the CDC conversion table support data retrieval. They do not authorize substituting a previous code for the current code.

Release dates 2020-10-01

Previous assignment: O34.219

Related codes

Other entries in the same category; these are not automatic substitutes.

Code	Description	Category · further specificity required
O34.211	Maternal care for low transverse scar from previous cesarean delivery	Billable / specific
O34.212	Maternal care for vertical scar from previous cesarean delivery	Billable / specific
O34.219	Maternal care for unspecified type scar from previous cesarean delivery	Billable / specific

Official titles and instructions are preserved in their source language. Official sources ↗

O34.218CurrentBillable / specific

Maternal care for other type scar from previous cesarean delivery

Chapters 15 · Inherited instructions

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Excludes 1

supervision of normal pregnancy (Z34.-)

O34 · Inherited instructions

Code first

any associated obstructed labor (O65.5)

Use additional code

code for specific condition

Excludes 2 · 4

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Claims & coverage

Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Official coding guidelines → · CMS ↗

MS-DRG · 43.1 · 817, 818, 819, 831, 832, 833

Grouping depends on the complete encounter and CMS grouper logic.

817 · Other Antepartum Diagnoses with O.R. Procedures with MCC
818 · Other Antepartum Diagnoses with O.R. Procedures with CC
819 · Other Antepartum Diagnoses with O.R. Procedures without CC/MCC
831 · Other Antepartum Diagnoses without O.R. Procedures with MCC
832 · Other Antepartum Diagnoses without O.R. Procedures with CC
833 · Other Antepartum Diagnoses without O.R. Procedures without CC/MCC

2026-04-01 – 2026-09-30

CMS · MS-DRG 43.1

Check Medicare coverage ↗

First observed · 2020-10-01

Code history

Latest recorded change · FY2024

ChangedUnchanged

FY2024

Effective from 2023-10-01

Inherited rules changed

Maternal care for other type scar from previous cesarean delivery

Billable diagnosis code

CDC/NCHS · FY2024

All editions (13)

All editions	Effective from	Code history
FY2021	2020-10-01	Added
FY2021 · 01-01	2021-01-01	No tabular change
FY2022	2021-10-01	No tabular change
FY2022 · 04-01	2022-04-01	No tabular change
FY2023	2022-10-01	No tabular change
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	Inherited rules changed
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Code-level instructions

Includes

Mid-transverse T incision

Inherited instructions

Chapters 15 · Pregnancy, childbirth and the puerperium (O00-O9A)

Excludes 1

supervision of normal pregnancy (Z34.-)

Excludes 2

mental and behavioral disorders associated with the puerperium (F53.-)
obstetrical tetanus (A34)
postpartum necrosis of pituitary gland (E23.0)
puerperal osteomalacia (M83.0)

Use additional code

code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Note

CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
1st trimester- less than 14 weeks 0 days
2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
3rd trimester- 28 weeks 0 days until delivery

O34 · Maternal care for abnormality of pelvic organs

Includes

the listed conditions as a reason for hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor

Code first

any associated obstructed labor (O65.5)

Use additional code

code for specific condition

Official index references (8)

Cesarean delivery, previous, affecting management of pregnancy (2)

Delivery(childbirth) (labor) (6)

Official conversion history

Historical assignments from the CDC conversion table support data retrieval. They do not authorize substituting a previous code for the current code.

Release dates 2020-10-01

Previous assignment: O34.219

Related codes

Other entries in the same category; these are not automatic substitutes.

Code	Description	Category · further specificity required
O34.211	Maternal care for low transverse scar from previous cesarean delivery	Billable / specific
O34.212	Maternal care for vertical scar from previous cesarean delivery	Billable / specific
O34.219	Maternal care for unspecified type scar from previous cesarean delivery	Billable / specific

Official titles and instructions are preserved in their source language. Official sources ↗