1. Mary Jo Bowie MS, BS, AAS, RHIA, RHIT

2. CHAPTER 29
Obstetrics Section

3. Obstetrics Section
The second section within ICD-10-PCS is the Obstetrics section.
The character 1 value for the Obstetrics section is 1.
This section includes procedures performed on the products of conception only.

4. Products of Conception
All physical components of a pregnancy including:
Fetus
Amnion
Umbilical cord
Placenta
Note: There is no differentiation based on gestational age.

5. Character 2—Body System
The value of character 2, body system, is always 0 for the Obstetrics section.
The 0 in the character 2 placement for Obstetrics indicates pregnancy.

6. Character 3—Root Operations
For the Obstetrics section, there are 12 root
operations used:
Change
Drainage
Extraction
Insertion
Inspection

7. Additional Root Operations for Obstetrics
Removal
Repair
Reposition
Resection
Transplantation
Abortion
Delivery

8. Amniocentesis
An amniocentesis is a procedure in which a needle is inserted into the amniotic sac to withdraw fluid for examination.
In ICD-10-PCS, an amniocentesis is considered a type of drainage.
Table 109 is used.

9. Amniocentesis
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10. Cesarean Section A cesarean section is not a separate root operation.
In ICD-10-CM, a cesarean section is considered a type of extraction.
An extraction is defined as “pulling out all or a portion of a body part.”

11. Body Part—Character 4
The body part values for the Obstetrics section are:
Products of conception—Value of 0
Products of conception, retained—Value of 1
Products of conception, ectopic—Value of 2

12. Approach—Character 5 There a six approaches used in the
Obstetrics section:
Open- 0
Percutaneous- 3
Percutaneous endoscopic- 4

13. Approaches (cont.) Via natural or artificial opening- 7
Via natural or artificial opening endoscopic- 8
External- X

14. Character 6—Devices For the Obstetrics section, character 6
reports devices used during the procedure,
such as a fetal monitor.
There are three values for character 6:
3—Monitoring electrode
Y—Other Device
Z—No Device
The Tables must be referenced to determine
the sixth character values that are relevant for
each table in the Obstetrics section.

15. Character 7—Qualifiers
Qualifiers are used in the various Obstetrics section Tables.
For example, reference Table 109. The qualifiers used here are:
9—Fetal blood
A—Fetal cerebrospinal fluid
B—Fetal fluid, other
C—Amniotic fluid, Therapeutic
D—Fluid, other
U- Amniotic Fluid, Diagnostic

16. Key Points to Remember
The first character value for the Obstetrics section is 1.
The second character value for the Obstetrics section is always 0—pregnancy.
The third character value has 12 possible values.

17. Additional Points
The fourth character value has three possible values—0, 1, or 2—identifying information about the products of conception.
For the fifth character value, there are six possible values indicating the approach.
For the sixth character value, there are three possible values indicating devices used.

18. Final Points
For the seventh character value, there are a number of values used that vary according to the Table being used for code selection.
Amniocentesis is a type of drainage.

19. Coding Guidelines The coding guidelines address the following:
Products of conception
Procedures following delivery or abortion

20. Coding Practice Select the code for the following:
Percutaneous fetal spinal tap

21. Coding Practice Solution
Main term to reference in index:
Drainage
Modifying term:
Products of conception, then Fetal Cerebrospinal Fluid
Code Assignment:
10903ZA