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A blood test is conducted to measure the levels of human placental lactogen (HPL), which is also known as human chorionic somatomammotropin. This polypeptide hormone is produced by the placenta and plays a crucial role in modifying the maternal metabolic state to ensure adequate nutrition for the developing fetus. The levels of HPL in the maternal bloodstream increase in correlation with the growth of the fetus and placenta, reaching their peak during the last trimester of pregnancy. Monitoring HPL levels can provide valuable insights into fetal well-being, as abnormal levels may indicate potential issues. The test involves obtaining a blood sample through a procedure known as venipuncture, which is reported separately. The serum obtained from the blood sample is then analyzed using an enzyme immunoassay, a laboratory technique that allows for the precise measurement of hormone levels in the serum.
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The lactogen test is performed for several specific indications related to pregnancy and fetal health. These include:
The procedure for measuring human placental lactogen (HPL) levels involves several key steps:
After the blood sample is collected, there are generally no specific post-procedure care requirements mentioned. Patients may experience minor discomfort or bruising at the venipuncture site, which typically resolves quickly. Results from the HPL test are usually communicated to the healthcare provider, who will interpret the findings in the context of the patient's overall health and pregnancy status. Follow-up actions or additional testing may be recommended based on the results.
| Short Descr | PLACENTAL LACTOGEN | Medium Descr | LACTOGEN HPL HUMAN CHORIONIC SOMATOMAMMOTROPIN | Long Descr | Lactogen, human placental (HPL) human chorionic somatomammotropin | Status Code | Statutory Exclusion (from MPFS, may be paid under other methodologies) | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 9 - Not Applicable | Multiple Procedures (51) | 9 - Concept does not apply. | Bilateral Surgery (50) | 9 - Concept does not apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 9 - Concept does not apply. | Co-Surgeons (62) | 9 - Concept does not apply. | Team Surgery (66) | 9 - Concept does not apply. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | CLIA Waived (QW) | No | APC Status Indicator | Conditionally packaged laboratory tests | Type of Service (TOS) | 5 - Diagnostic Laboratory | Berenson-Eggers TOS (BETOS) | T1H - Lab tests - other (non-Medicare fee schedule) | MUE | 1 | CCS Clinical Classification | 233 - Laboratory - Chemistry and Hematology |
| 90 | Reference (outside) laboratory: when laboratory procedures are performed by a party other than the treating or reporting physician or other qualified health care professional, the procedure may be identified by adding modifier 90 to the usual procedure number. |
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| Pre-1990 | Added | Code added. |
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